29765840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28621}}^1$

素因数の和:28647

約数の個数: 40

約数和(自身を含む): 74531688

約数和(自身を除く): 44765848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28621, 57242, 114484, 143105, 228968, 286210, 372073, 457936, 572420, 744146, 1144840, 1488292, 1860365, 2289680, 2976584, 3720730, 5953168, 7441460, 14882920, 29765840]

約数ペア:

[(1, 29765840), (2, 14882920), (4, 7441460), (5, 5953168), (8, 3720730), (10, 2976584), (13, 2289680), (16, 1860365), (20, 1488292), (26, 1144840), (40, 744146), (52, 572420), (65, 457936), (80, 372073), (104, 286210), (130, 228968), (208, 143105), (260, 114484), (520, 57242), (1040, 28621)]