15425320

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1423}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 34859520

約数和(自身を除く): 19434200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1423, 2168, 2710, 2846, 5420, 5692, 7115, 10840, 11384, 14230, 28460, 56920, 385633, 771266, 1542532, 1928165, 3085064, 3856330, 7712660, 15425320]

約数ペア:

[(1, 15425320), (2, 7712660), (4, 3856330), (5, 3085064), (8, 1928165), (10, 1542532), (20, 771266), (40, 385633), (271, 56920), (542, 28460), (1084, 14230), (1355, 11384), (1423, 10840), (2168, 7115), (2710, 5692), (2846, 5420)]