27706640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26641}}^1$

素因数の和:26667

約数の個数: 40

約数和(自身を含む): 69375768

約数和(自身を除く): 41669128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26641, 53282, 106564, 133205, 213128, 266410, 346333, 426256, 532820, 692666, 1065640, 1385332, 1731665, 2131280, 2770664, 3463330, 5541328, 6926660, 13853320, 27706640]

約数ペア:

[(1, 27706640), (2, 13853320), (4, 6926660), (5, 5541328), (8, 3463330), (10, 2770664), (13, 2131280), (16, 1731665), (20, 1385332), (26, 1065640), (40, 692666), (52, 532820), (65, 426256), (80, 346333), (104, 266410), (130, 213128), (208, 133205), (260, 106564), (520, 53282), (1040, 26641)]