69806875

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1912

約数の個数: 20

約数和(自身を含む): 88709104

約数和(自身を除く): 18902229

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 1831, 7625, 9155, 38125, 45775, 111691, 228875, 558455, 1144375, 2792275, 13961375, 69806875]

約数ペア:

[(1, 69806875), (5, 13961375), (25, 2792275), (61, 1144375), (125, 558455), (305, 228875), (625, 111691), (1525, 45775), (1831, 38125), (7625, 9155)]