8225680

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 19251000

約数和(自身を除く): 11025320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 449, 458, 898, 916, 1145, 1796, 1832, 2245, 2290, 3592, 3664, 4490, 4580, 7184, 8980, 9160, 17960, 18320, 35920, 102821, 205642, 411284, 514105, 822568, 1028210, 1645136, 2056420, 4112840, 8225680]

約数ペア:

[(1, 8225680), (2, 4112840), (4, 2056420), (5, 1645136), (8, 1028210), (10, 822568), (16, 514105), (20, 411284), (40, 205642), (80, 102821), (229, 35920), (449, 18320), (458, 17960), (898, 9160), (916, 8980), (1145, 7184), (1796, 4580), (1832, 4490), (2245, 3664), (2290, 3592)]