13705640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26357}}^1$

素因数の和:26381

約数の個数: 32

約数和(自身を含む): 33211080

約数和(自身を除く): 19505440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26357, 52714, 105428, 131785, 210856, 263570, 342641, 527140, 685282, 1054280, 1370564, 1713205, 2741128, 3426410, 6852820, 13705640]

約数ペア:

[(1, 13705640), (2, 6852820), (4, 3426410), (5, 2741128), (8, 1713205), (10, 1370564), (13, 1054280), (20, 685282), (26, 527140), (40, 342641), (52, 263570), (65, 210856), (104, 131785), (130, 105428), (260, 52714), (520, 26357)]