12606920

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 28494720

約数和(自身を除く): 15887800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1163, 1355, 2168, 2326, 2710, 4652, 5420, 5815, 9304, 10840, 11630, 23260, 46520, 315173, 630346, 1260692, 1575865, 2521384, 3151730, 6303460, 12606920]

約数ペア:

[(1, 12606920), (2, 6303460), (4, 3151730), (5, 2521384), (8, 1575865), (10, 1260692), (20, 630346), (40, 315173), (271, 46520), (542, 23260), (1084, 11630), (1163, 10840), (1355, 9304), (2168, 5815), (2326, 5420), (2710, 4652)]