25757125

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 36781056

約数和(自身を除く): 11023931

約数列:

[1, 5, 17, 23, 25, 31, 85, 115, 125, 155, 289, 391, 425, 527, 575, 713, 775, 1445, 1955, 2125, 2635, 2875, 3565, 3875, 6647, 7225, 8959, 9775, 12121, 13175, 17825, 33235, 36125, 44795, 48875, 60605, 65875, 89125, 166175, 206057, 223975, 303025, 830875, 1030285, 1119875, 1515125, 5151425, 25757125]

約数ペア:

[(1, 25757125), (5, 5151425), (17, 1515125), (23, 1119875), (25, 1030285), (31, 830875), (85, 303025), (115, 223975), (125, 206057), (155, 166175), (289, 89125), (391, 65875), (425, 60605), (527, 48875), (575, 44795), (713, 36125), (775, 33235), (1445, 17825), (1955, 13175), (2125, 12121), (2635, 9775), (2875, 8959), (3565, 7225), (3875, 6647)]