89268920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171671}}^1$

素因数の和:171695

約数の個数: 32

約数和(自身を含む): 216306720

約数和(自身を除く): 127037800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 171671, 343342, 686684, 858355, 1373368, 1716710, 2231723, 3433420, 4463446, 6866840, 8926892, 11158615, 17853784, 22317230, 44634460, 89268920]

約数ペア:

[(1, 89268920), (2, 44634460), (4, 22317230), (5, 17853784), (8, 11158615), (10, 8926892), (13, 6866840), (20, 4463446), (26, 3433420), (40, 2231723), (52, 1716710), (65, 1373368), (104, 858355), (130, 686684), (260, 343342), (520, 171671)]