66740375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 91186368

約数和(自身を除く): 24445993

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 613, 871, 1625, 1675, 3065, 4355, 7969, 8375, 15325, 21775, 39845, 41071, 76625, 108875, 199225, 205355, 533923, 996125, 1026775, 2669615, 5133875, 13348075, 66740375]

約数ペア:

[(1, 66740375), (5, 13348075), (13, 5133875), (25, 2669615), (65, 1026775), (67, 996125), (125, 533923), (325, 205355), (335, 199225), (613, 108875), (871, 76625), (1625, 41071), (1675, 39845), (3065, 21775), (4355, 15325), (7969, 8375)]