8130400

素因数分解:

$2^5\times 5^2\times {\mathrm{10163}}^1$

素因数の和:10183

約数の個数: 36

約数和(自身を含む): 19850292

約数和(自身を除く): 11719892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 10163, 20326, 40652, 50815, 81304, 101630, 162608, 203260, 254075, 325216, 406520, 508150, 813040, 1016300, 1626080, 2032600, 4065200, 8130400]

約数ペア:

[(1, 8130400), (2, 4065200), (4, 2032600), (5, 1626080), (8, 1016300), (10, 813040), (16, 508150), (20, 406520), (25, 325216), (32, 254075), (40, 203260), (50, 162608), (80, 101630), (100, 81304), (160, 50815), (200, 40652), (400, 20326), (800, 10163)]