25810840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58661}}^1$

素因数の和:58683

約数の個数: 32

約数和(自身を含む): 63354960

約数和(自身を除く): 37544120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 58661, 117322, 234644, 293305, 469288, 586610, 645271, 1173220, 1290542, 2346440, 2581084, 3226355, 5162168, 6452710, 12905420, 25810840]

約数ペア:

[(1, 25810840), (2, 12905420), (4, 6452710), (5, 5162168), (8, 3226355), (10, 2581084), (11, 2346440), (20, 1290542), (22, 1173220), (40, 645271), (44, 586610), (55, 469288), (88, 293305), (110, 234644), (220, 117322), (440, 58661)]