71914375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 99193248

約数和(自身を除く): 27278873

約数列:

[1, 5, 13, 25, 53, 65, 125, 167, 265, 325, 625, 689, 835, 1325, 1625, 2171, 3445, 4175, 6625, 8125, 8851, 10855, 17225, 20875, 33125, 44255, 54275, 86125, 104375, 115063, 221275, 271375, 430625, 575315, 1106375, 1356875, 2876575, 5531875, 14382875, 71914375]

約数ペア:

[(1, 71914375), (5, 14382875), (13, 5531875), (25, 2876575), (53, 1356875), (65, 1106375), (125, 575315), (167, 430625), (265, 271375), (325, 221275), (625, 115063), (689, 104375), (835, 86125), (1325, 54275), (1625, 44255), (2171, 33125), (3445, 20875), (4175, 17225), (6625, 10855), (8125, 8851)]