64376875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 87384528

約数和(自身を除く): 23007653

約数列:

[1, 5, 17, 25, 73, 83, 85, 125, 365, 415, 425, 625, 1241, 1411, 1825, 2075, 2125, 6059, 6205, 7055, 9125, 10375, 10625, 30295, 31025, 35275, 45625, 51875, 103003, 151475, 155125, 176375, 515015, 757375, 775625, 881875, 2575075, 3786875, 12875375, 64376875]

約数ペア:

[(1, 64376875), (5, 12875375), (17, 3786875), (25, 2575075), (73, 881875), (83, 775625), (85, 757375), (125, 515015), (365, 176375), (415, 155125), (425, 151475), (625, 103003), (1241, 51875), (1411, 45625), (1825, 35275), (2075, 31025), (2125, 30295), (6059, 10625), (6205, 10375), (7055, 9125)]