89766820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31387}}^1$

素因数の和:31420

約数の個数: 48

約数和(自身を含む): 221473728

約数和(自身を除く): 131706908

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, 31387, 62774, 125548, 156935, 313870, 345257, 408031, 627740, 690514, 816062, 1381028, 1632124, 1726285, 2040155, 3452570, 4080310, 4488341, 6905140, 8160620, 8976682, 17953364, 22441705, 44883410, 89766820]

約数ペア:

[(1, 89766820), (2, 44883410), (4, 22441705), (5, 17953364), (10, 8976682), (11, 8160620), (13, 6905140), (20, 4488341), (22, 4080310), (26, 3452570), (44, 2040155), (52, 1726285), (55, 1632124), (65, 1381028), (110, 816062), (130, 690514), (143, 627740), (220, 408031), (260, 345257), (286, 313870), (572, 156935), (715, 125548), (1430, 62774), (2860, 31387)]