40538420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6779}}^1$

素因数の和:6824

約数の個数: 48

約数和(自身を含む): 95679360

約数和(自身を除く): 55140940

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 6779, 13558, 27116, 33895, 67790, 88127, 135580, 155917, 176254, 311834, 352508, 440635, 623668, 779585, 881270, 1559170, 1762540, 2026921, 3118340, 4053842, 8107684, 10134605, 20269210, 40538420]

約数ペア:

[(1, 40538420), (2, 20269210), (4, 10134605), (5, 8107684), (10, 4053842), (13, 3118340), (20, 2026921), (23, 1762540), (26, 1559170), (46, 881270), (52, 779585), (65, 623668), (92, 440635), (115, 352508), (130, 311834), (230, 176254), (260, 155917), (299, 135580), (460, 88127), (598, 67790), (1196, 33895), (1495, 27116), (2990, 13558), (5980, 6779)]