64781600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6262

約数の個数: 72

約数和(自身を含む): 170340660

約数和(自身を除く): 105559060

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 6229, 10400, 12458, 24916, 31145, 49832, 62290, 80977, 99664, 124580, 155725, 161954, 199328, 249160, 311450, 323908, 404885, 498320, 622900, 647816, 809770, 996640, 1245800, 1295632, 1619540, 2024425, 2491600, 2591264, 3239080, 4048850, 4983200, 6478160, 8097700, 12956320, 16195400, 32390800, 64781600]

約数ペア:

[(1, 64781600), (2, 32390800), (4, 16195400), (5, 12956320), (8, 8097700), (10, 6478160), (13, 4983200), (16, 4048850), (20, 3239080), (25, 2591264), (26, 2491600), (32, 2024425), (40, 1619540), (50, 1295632), (52, 1245800), (65, 996640), (80, 809770), (100, 647816), (104, 622900), (130, 498320), (160, 404885), (200, 323908), (208, 311450), (260, 249160), (325, 199328), (400, 161954), (416, 155725), (520, 124580), (650, 99664), (800, 80977), (1040, 62290), (1300, 49832), (2080, 31145), (2600, 24916), (5200, 12458), (6229, 10400)]