20064037160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{1879}}^1$

素因数の和:2331

約数の個数: 128

約数和(自身を含む): 49119436800

約数和(自身を除く): 29055399640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 383, 410, 680, 697, 766, 820, 1394, 1532, 1640, 1879, 1915, 2788, 3064, 3485, 3758, 3830, 5576, 6511, 6970, 7516, 7660, 9395, 13022, 13940, 15032, 15320, 15703, 18790, 26044, 27880, 31406, 31943, 32555, 37580, 52088, 62812, 63886, 65110, 75160, 77039, 78515, 125624, 127772, 130220, 154078, 157030, 159715, 255544, 260440, 266951, 308156, 314060, 319430, 385195, 533902, 616312, 628120, 638860, 719657, 770390, 1067804, 1277720, 1309663, 1334755, 1439314, 1540780, 2135608, 2619326, 2669510, 2878628, 3081560, 3598285, 5238652, 5339020, 5757256, 6548315, 7196570, 10477304, 10678040, 12234169, 13096630, 14393140, 24468338, 26193260, 28786280, 29505937, 48936676, 52386520, 59011874, 61170845, 97873352, 118023748, 122341690, 147529685, 236047496, 244683380, 295059370, 489366760, 501600929, 590118740, 1003201858, 1180237480, 2006403716, 2508004645, 4012807432, 5016009290, 10032018580, 20064037160]

約数ペア:

[(1, 20064037160), (2, 10032018580), (4, 5016009290), (5, 4012807432), (8, 2508004645), (10, 2006403716), (17, 1180237480), (20, 1003201858), (34, 590118740), (40, 501600929), (41, 489366760), (68, 295059370), (82, 244683380), (85, 236047496), (136, 147529685), (164, 122341690), (170, 118023748), (205, 97873352), (328, 61170845), (340, 59011874), (383, 52386520), (410, 48936676), (680, 29505937), (697, 28786280), (766, 26193260), (820, 24468338), (1394, 14393140), (1532, 13096630), (1640, 12234169), (1879, 10678040), (1915, 10477304), (2788, 7196570), (3064, 6548315), (3485, 5757256), (3758, 5339020), (3830, 5238652), (5576, 3598285), (6511, 3081560), (6970, 2878628), (7516, 2669510), (7660, 2619326), (9395, 2135608), (13022, 1540780), (13940, 1439314), (15032, 1334755), (15320, 1309663), (15703, 1277720), (18790, 1067804), (26044, 770390), (27880, 719657), (31406, 638860), (31943, 628120), (32555, 616312), (37580, 533902), (52088, 385195), (62812, 319430), (63886, 314060), (65110, 308156), (75160, 266951), (77039, 260440), (78515, 255544), (125624, 159715), (127772, 157030), (130220, 154078)]