28476400

素因数分解:

$2^4\times 5^2\times {\mathrm{71191}}^1$

素因数の和:71209

約数の個数: 30

約数和(自身を含む): 68415512

約数和(自身を除く): 39939112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71191, 142382, 284764, 355955, 569528, 711910, 1139056, 1423820, 1779775, 2847640, 3559550, 5695280, 7119100, 14238200, 28476400]

約数ペア:

[(1, 28476400), (2, 14238200), (4, 7119100), (5, 5695280), (8, 3559550), (10, 2847640), (16, 1779775), (20, 1423820), (25, 1139056), (40, 711910), (50, 569528), (80, 355955), (100, 284764), (200, 142382), (400, 71191)]