64785725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 91601280

約数和(自身を除く): 26815555

約数列:

[1, 5, 17, 19, 25, 71, 85, 95, 113, 323, 355, 425, 475, 565, 1207, 1349, 1615, 1775, 1921, 2147, 2825, 6035, 6745, 8023, 8075, 9605, 10735, 22933, 30175, 33725, 36499, 40115, 48025, 53675, 114665, 136391, 152437, 182495, 200575, 573325, 681955, 762185, 912475, 2591429, 3409775, 3810925, 12957145, 64785725]

約数ペア:

[(1, 64785725), (5, 12957145), (17, 3810925), (19, 3409775), (25, 2591429), (71, 912475), (85, 762185), (95, 681955), (113, 573325), (323, 200575), (355, 182495), (425, 152437), (475, 136391), (565, 114665), (1207, 53675), (1349, 48025), (1615, 40115), (1775, 36499), (1921, 33725), (2147, 30175), (2825, 22933), (6035, 10735), (6745, 9605), (8023, 8075)]