55988920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107671}}^1$

素因数の和:107695

約数の個数: 32

約数和(自身を含む): 135666720

約数和(自身を除く): 79677800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 107671, 215342, 430684, 538355, 861368, 1076710, 1399723, 2153420, 2799446, 4306840, 5598892, 6998615, 11197784, 13997230, 27994460, 55988920]

約数ペア:

[(1, 55988920), (2, 27994460), (4, 13997230), (5, 11197784), (8, 6998615), (10, 5598892), (13, 4306840), (20, 2799446), (26, 2153420), (40, 1399723), (52, 1076710), (65, 861368), (104, 538355), (130, 430684), (260, 215342), (520, 107671)]