3884621960

素因数分解:

$2^3\times 5^1\times {\mathrm{9781}}^1\times {\mathrm{9929}}^1$

素因数の和:19721

約数の個数: 32

約数和(自身を含む): 8742173400

約数和(自身を除く): 4857551440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9781, 9929, 19562, 19858, 39124, 39716, 48905, 49645, 78248, 79432, 97810, 99290, 195620, 198580, 391240, 397160, 97115549, 194231098, 388462196, 485577745, 776924392, 971155490, 1942310980, 3884621960]

約数ペア:

[(1, 3884621960), (2, 1942310980), (4, 971155490), (5, 776924392), (8, 485577745), (10, 388462196), (20, 194231098), (40, 97115549), (9781, 397160), (9929, 391240), (19562, 198580), (19858, 195620), (39124, 99290), (39716, 97810), (48905, 79432), (49645, 78248)]