40256840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77417}}^1$

素因数の和:77441

約数の個数: 32

約数和(自身を含む): 97546680

約数和(自身を除く): 57289840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77417, 154834, 309668, 387085, 619336, 774170, 1006421, 1548340, 2012842, 3096680, 4025684, 5032105, 8051368, 10064210, 20128420, 40256840]

約数ペア:

[(1, 40256840), (2, 20128420), (4, 10064210), (5, 8051368), (8, 5032105), (10, 4025684), (13, 3096680), (20, 2012842), (26, 1548340), (40, 1006421), (52, 774170), (65, 619336), (104, 387085), (130, 309668), (260, 154834), (520, 77417)]