25333520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2017}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 59304984

約数和(自身を除く): 33971464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2017, 2512, 3140, 4034, 6280, 8068, 10085, 12560, 16136, 20170, 32272, 40340, 80680, 161360, 316669, 633338, 1266676, 1583345, 2533352, 3166690, 5066704, 6333380, 12666760, 25333520]

約数ペア:

[(1, 25333520), (2, 12666760), (4, 6333380), (5, 5066704), (8, 3166690), (10, 2533352), (16, 1583345), (20, 1266676), (40, 633338), (80, 316669), (157, 161360), (314, 80680), (628, 40340), (785, 32272), (1256, 20170), (1570, 16136), (2017, 12560), (2512, 10085), (3140, 8068), (4034, 6280)]