91397020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31957}}^1$

素因数の和:31990

約数の個数: 48

約数和(自身を含む): 225495648

約数和(自身を除く): 134098628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 31957, 63914, 127828, 159785, 319570, 351527, 415441, 639140, 703054, 830882, 1406108, 1661764, 1757635, 2077205, 3515270, 4154410, 4569851, 7030540, 8308820, 9139702, 18279404, 22849255, 45698510, 91397020]

約数ペア:

[(1, 91397020), (2, 45698510), (4, 22849255), (5, 18279404), (10, 9139702), (11, 8308820), (13, 7030540), (20, 4569851), (22, 4154410), (26, 3515270), (44, 2077205), (52, 1757635), (55, 1661764), (65, 1406108), (110, 830882), (130, 703054), (143, 639140), (220, 415441), (260, 351527), (286, 319570), (572, 159785), (715, 127828), (1430, 63914), (2860, 31957)]