8787725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 12856320

約数和(自身を除く): 4068595

約数列:

[1, 5, 17, 23, 25, 29, 31, 85, 115, 145, 155, 391, 425, 493, 527, 575, 667, 713, 725, 775, 899, 1955, 2465, 2635, 3335, 3565, 4495, 9775, 11339, 12121, 12325, 13175, 15283, 16675, 17825, 20677, 22475, 56695, 60605, 76415, 103385, 283475, 303025, 351509, 382075, 516925, 1757545, 8787725]

約数ペア:

[(1, 8787725), (5, 1757545), (17, 516925), (23, 382075), (25, 351509), (29, 303025), (31, 283475), (85, 103385), (115, 76415), (145, 60605), (155, 56695), (391, 22475), (425, 20677), (493, 17825), (527, 16675), (575, 15283), (667, 13175), (713, 12325), (725, 12121), (775, 11339), (899, 9775), (1955, 4495), (2465, 3565), (2635, 3335)]