66740825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 93744000

約数和(自身を除く): 27003175

約数列:

[1, 5, 19, 23, 25, 41, 95, 115, 149, 205, 437, 475, 575, 745, 779, 943, 1025, 2185, 2831, 3427, 3725, 3895, 4715, 6109, 10925, 14155, 17135, 17917, 19475, 23575, 30545, 65113, 70775, 85675, 89585, 116071, 140507, 152725, 325565, 447925, 580355, 702535, 1627825, 2669633, 2901775, 3512675, 13348165, 66740825]

約数ペア:

[(1, 66740825), (5, 13348165), (19, 3512675), (23, 2901775), (25, 2669633), (41, 1627825), (95, 702535), (115, 580355), (149, 447925), (205, 325565), (437, 152725), (475, 140507), (575, 116071), (745, 89585), (779, 85675), (943, 70775), (1025, 65113), (2185, 30545), (2831, 23575), (3427, 19475), (3725, 17917), (3895, 17135), (4715, 14155), (6109, 10925)]