5428750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 40

約数和(自身を含む): 10515384

約数和(自身を除く): 5086634

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 101, 125, 202, 215, 250, 430, 505, 625, 1010, 1075, 1250, 2150, 2525, 4343, 5050, 5375, 8686, 10750, 12625, 21715, 25250, 26875, 43430, 53750, 63125, 108575, 126250, 217150, 542875, 1085750, 2714375, 5428750]

約数ペア:

[(1, 5428750), (2, 2714375), (5, 1085750), (10, 542875), (25, 217150), (43, 126250), (50, 108575), (86, 63125), (101, 53750), (125, 43430), (202, 26875), (215, 25250), (250, 21715), (430, 12625), (505, 10750), (625, 8686), (1010, 5375), (1075, 5050), (1250, 4343), (2150, 2525)]