64528825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 84208896

約数和(自身を除く): 19680071

約数列:

[1, 5, 25, 31, 53, 155, 265, 775, 1325, 1571, 1643, 7855, 8215, 39275, 41075, 48701, 83263, 243505, 416315, 1217525, 2081575, 2581153, 12905765, 64528825]

約数ペア:

[(1, 64528825), (5, 12905765), (25, 2581153), (31, 2081575), (53, 1217525), (155, 416315), (265, 243505), (775, 83263), (1325, 48701), (1571, 41075), (1643, 39275), (7855, 8215)]