25280750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 53576640

約数和(自身を除く): 28295890

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 125, 145, 250, 275, 290, 317, 319, 550, 634, 638, 725, 1375, 1450, 1585, 1595, 2750, 3170, 3190, 3487, 3625, 6974, 7250, 7925, 7975, 9193, 15850, 15950, 17435, 18386, 34870, 39625, 39875, 45965, 79250, 79750, 87175, 91930, 101123, 174350, 202246, 229825, 435875, 459650, 505615, 871750, 1011230, 1149125, 2298250, 2528075, 5056150, 12640375, 25280750]

約数ペア:

[(1, 25280750), (2, 12640375), (5, 5056150), (10, 2528075), (11, 2298250), (22, 1149125), (25, 1011230), (29, 871750), (50, 505615), (55, 459650), (58, 435875), (110, 229825), (125, 202246), (145, 174350), (250, 101123), (275, 91930), (290, 87175), (317, 79750), (319, 79250), (550, 45965), (634, 39875), (638, 39625), (725, 34870), (1375, 18386), (1450, 17435), (1585, 15950), (1595, 15850), (2750, 9193), (3170, 7975), (3190, 7925), (3487, 7250), (3625, 6974)]