25213840

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 58889088

約数和(自身を除く): 33675248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1163, 1355, 2168, 2326, 2710, 4336, 4652, 5420, 5815, 9304, 10840, 11630, 18608, 21680, 23260, 46520, 93040, 315173, 630346, 1260692, 1575865, 2521384, 3151730, 5042768, 6303460, 12606920, 25213840]

約数ペア:

[(1, 25213840), (2, 12606920), (4, 6303460), (5, 5042768), (8, 3151730), (10, 2521384), (16, 1575865), (20, 1260692), (40, 630346), (80, 315173), (271, 93040), (542, 46520), (1084, 23260), (1163, 21680), (1355, 18608), (2168, 11630), (2326, 10840), (2710, 9304), (4336, 5815), (4652, 5420)]