40811440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8363}}^1$

素因数の和:8437

約数の個数: 40

約数和(自身を含む): 96453648

約数和(自身を除く): 55642208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8363, 16726, 33452, 41815, 66904, 83630, 133808, 167260, 334520, 510143, 669040, 1020286, 2040572, 2550715, 4081144, 5101430, 8162288, 10202860, 20405720, 40811440]

約数ペア:

[(1, 40811440), (2, 20405720), (4, 10202860), (5, 8162288), (8, 5101430), (10, 4081144), (16, 2550715), (20, 2040572), (40, 1020286), (61, 669040), (80, 510143), (122, 334520), (244, 167260), (305, 133808), (488, 83630), (610, 66904), (976, 41815), (1220, 33452), (2440, 16726), (4880, 8363)]