128418625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 170352000

約数和(自身を除く): 41933375

約数列:

[1, 5, 19, 25, 95, 125, 139, 389, 475, 695, 1945, 2375, 2641, 3475, 7391, 9725, 13205, 17375, 36955, 48625, 54071, 66025, 184775, 270355, 330125, 923875, 1027349, 1351775, 5136745, 6758875, 25683725, 128418625]

約数ペア:

[(1, 128418625), (5, 25683725), (19, 6758875), (25, 5136745), (95, 1351775), (125, 1027349), (139, 923875), (389, 330125), (475, 270355), (695, 184775), (1945, 66025), (2375, 54071), (2641, 48625), (3475, 36955), (7391, 17375), (9725, 13205)]