205156640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1942

約数の個数: 96

約数和(自身を含む): 532100016

約数和(自身を除く): 326943376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 416, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1696, 1861, 2080, 2120, 2756, 3445, 3722, 4240, 5512, 6890, 7444, 8480, 9305, 11024, 13780, 14888, 18610, 22048, 24193, 27560, 29776, 37220, 48386, 55120, 59552, 74440, 96772, 98633, 110240, 120965, 148880, 193544, 197266, 241930, 297760, 387088, 394532, 483860, 493165, 774176, 789064, 967720, 986330, 1282229, 1578128, 1935440, 1972660, 2564458, 3156256, 3870880, 3945320, 5128916, 6411145, 7890640, 10257832, 12822290, 15781280, 20515664, 25644580, 41031328, 51289160, 102578320, 205156640]

約数ペア:

[(1, 205156640), (2, 102578320), (4, 51289160), (5, 41031328), (8, 25644580), (10, 20515664), (13, 15781280), (16, 12822290), (20, 10257832), (26, 7890640), (32, 6411145), (40, 5128916), (52, 3945320), (53, 3870880), (65, 3156256), (80, 2564458), (104, 1972660), (106, 1935440), (130, 1578128), (160, 1282229), (208, 986330), (212, 967720), (260, 789064), (265, 774176), (416, 493165), (424, 483860), (520, 394532), (530, 387088), (689, 297760), (848, 241930), (1040, 197266), (1060, 193544), (1378, 148880), (1696, 120965), (1861, 110240), (2080, 98633), (2120, 96772), (2756, 74440), (3445, 59552), (3722, 55120), (4240, 48386), (5512, 37220), (6890, 29776), (7444, 27560), (8480, 24193), (9305, 22048), (11024, 18610), (13780, 14888)]