9881680

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 23157000

約数和(自身を除く): 13275320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 829, 1192, 1490, 1658, 2384, 2980, 3316, 4145, 5960, 6632, 8290, 11920, 13264, 16580, 33160, 66320, 123521, 247042, 494084, 617605, 988168, 1235210, 1976336, 2470420, 4940840, 9881680]

約数ペア:

[(1, 9881680), (2, 4940840), (4, 2470420), (5, 1976336), (8, 1235210), (10, 988168), (16, 617605), (20, 494084), (40, 247042), (80, 123521), (149, 66320), (298, 33160), (596, 16580), (745, 13264), (829, 11920), (1192, 8290), (1490, 6632), (1658, 5960), (2384, 4145), (2980, 3316)]