56668820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12860

約数の個数: 48

約数和(自身を含む): 135708048

約数和(自身を除く): 79039228

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12821, 25642, 51284, 64105, 128210, 166673, 217957, 256420, 333346, 435914, 666692, 833365, 871828, 1089785, 1666730, 2179570, 2833441, 3333460, 4359140, 5666882, 11333764, 14167205, 28334410, 56668820]

約数ペア:

[(1, 56668820), (2, 28334410), (4, 14167205), (5, 11333764), (10, 5666882), (13, 4359140), (17, 3333460), (20, 2833441), (26, 2179570), (34, 1666730), (52, 1089785), (65, 871828), (68, 833365), (85, 666692), (130, 435914), (170, 333346), (221, 256420), (260, 217957), (340, 166673), (442, 128210), (884, 64105), (1105, 51284), (2210, 25642), (4420, 12821)]