80426320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4549}}^1$

素因数の和:4592

約数の個数: 80

約数和(自身を含む): 213267600

約数和(自身を除く): 132841280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4549, 8840, 9098, 17680, 18196, 22745, 36392, 45490, 59137, 72784, 77333, 90980, 118274, 154666, 181960, 236548, 295685, 309332, 363920, 386665, 473096, 591370, 618664, 773330, 946192, 1005329, 1182740, 1237328, 1546660, 2010658, 2365480, 3093320, 4021316, 4730960, 5026645, 6186640, 8042632, 10053290, 16085264, 20106580, 40213160, 80426320]

約数ペア:

[(1, 80426320), (2, 40213160), (4, 20106580), (5, 16085264), (8, 10053290), (10, 8042632), (13, 6186640), (16, 5026645), (17, 4730960), (20, 4021316), (26, 3093320), (34, 2365480), (40, 2010658), (52, 1546660), (65, 1237328), (68, 1182740), (80, 1005329), (85, 946192), (104, 773330), (130, 618664), (136, 591370), (170, 473096), (208, 386665), (221, 363920), (260, 309332), (272, 295685), (340, 236548), (442, 181960), (520, 154666), (680, 118274), (884, 90980), (1040, 77333), (1105, 72784), (1360, 59137), (1768, 45490), (2210, 36392), (3536, 22745), (4420, 18196), (4549, 17680), (8840, 9098)]