165280400

素因数分解:

$2^4\times 5^2\times {\mathrm{413201}}^1$

素因数の和:413219

約数の個数: 30

約数和(自身を含む): 397087122

約数和(自身を除く): 231806722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 413201, 826402, 1652804, 2066005, 3305608, 4132010, 6611216, 8264020, 10330025, 16528040, 20660050, 33056080, 41320100, 82640200, 165280400]

約数ペア:

[(1, 165280400), (2, 82640200), (4, 41320100), (5, 33056080), (8, 20660050), (10, 16528040), (16, 10330025), (20, 8264020), (25, 6611216), (40, 4132010), (50, 3305608), (80, 2066005), (100, 1652804), (200, 826402), (400, 413201)]