15280400

素因数分解:

$2^4\times 5^2\times {\mathrm{38201}}^1$

素因数の和:38219

約数の個数: 30

約数和(自身を含む): 36712122

約数和(自身を除く): 21431722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 38201, 76402, 152804, 191005, 305608, 382010, 611216, 764020, 955025, 1528040, 1910050, 3056080, 3820100, 7640200, 15280400]

約数ペア:

[(1, 15280400), (2, 7640200), (4, 3820100), (5, 3056080), (8, 1910050), (10, 1528040), (16, 955025), (20, 764020), (25, 611216), (40, 382010), (50, 305608), (80, 191005), (100, 152804), (200, 76402), (400, 38201)]