8821420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 19611648

約数和(自身を除く): 10790228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 151, 230, 254, 302, 460, 508, 604, 635, 755, 1270, 1510, 2540, 2921, 3020, 3473, 5842, 6946, 11684, 13892, 14605, 17365, 19177, 29210, 34730, 38354, 58420, 69460, 76708, 95885, 191770, 383540, 441071, 882142, 1764284, 2205355, 4410710, 8821420]

約数ペア:

[(1, 8821420), (2, 4410710), (4, 2205355), (5, 1764284), (10, 882142), (20, 441071), (23, 383540), (46, 191770), (92, 95885), (115, 76708), (127, 69460), (151, 58420), (230, 38354), (254, 34730), (302, 29210), (460, 19177), (508, 17365), (604, 14605), (635, 13892), (755, 11684), (1270, 6946), (1510, 5842), (2540, 3473), (2921, 3020)]