15661040

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 36665808

約数和(自身を除く): 21004768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1201, 1304, 1630, 2402, 2608, 3260, 4804, 6005, 6520, 9608, 12010, 13040, 19216, 24020, 48040, 96080, 195763, 391526, 783052, 978815, 1566104, 1957630, 3132208, 3915260, 7830520, 15661040]

約数ペア:

[(1, 15661040), (2, 7830520), (4, 3915260), (5, 3132208), (8, 1957630), (10, 1566104), (16, 978815), (20, 783052), (40, 391526), (80, 195763), (163, 96080), (326, 48040), (652, 24020), (815, 19216), (1201, 13040), (1304, 12010), (1630, 9608), (2402, 6520), (2608, 6005), (3260, 4804)]