12640375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 17858880

約数和(自身を除く): 5218505

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 317, 319, 725, 1375, 1585, 1595, 3487, 3625, 7925, 7975, 9193, 17435, 39625, 39875, 45965, 87175, 101123, 229825, 435875, 505615, 1149125, 2528075, 12640375]

約数ペア:

[(1, 12640375), (5, 2528075), (11, 1149125), (25, 505615), (29, 435875), (55, 229825), (125, 101123), (145, 87175), (275, 45965), (317, 39875), (319, 39625), (725, 17435), (1375, 9193), (1585, 7975), (1595, 7925), (3487, 3625)]