25318240

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 60162480

約数和(自身を除く): 34844240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 691, 916, 1145, 1382, 1832, 2290, 2764, 3455, 3664, 4580, 5528, 6910, 7328, 9160, 11056, 13820, 18320, 22112, 27640, 36640, 55280, 110560, 158239, 316478, 632956, 791195, 1265912, 1582390, 2531824, 3164780, 5063648, 6329560, 12659120, 25318240]

約数ペア:

[(1, 25318240), (2, 12659120), (4, 6329560), (5, 5063648), (8, 3164780), (10, 2531824), (16, 1582390), (20, 1265912), (32, 791195), (40, 632956), (80, 316478), (160, 158239), (229, 110560), (458, 55280), (691, 36640), (916, 27640), (1145, 22112), (1382, 18320), (1832, 13820), (2290, 11056), (2764, 9160), (3455, 7328), (3664, 6910), (4580, 5528)]