1309561640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{554899}}^1$

素因数の和:554969

約数の個数: 32

約数和(自身を含む): 2996460000

約数和(自身を除く): 1686898360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 554899, 1109798, 2219596, 2774495, 4439192, 5548990, 11097980, 22195960, 32739041, 65478082, 130956164, 163695205, 261912328, 327390410, 654780820, 1309561640]

約数ペア:

[(1, 1309561640), (2, 654780820), (4, 327390410), (5, 261912328), (8, 163695205), (10, 130956164), (20, 65478082), (40, 32739041), (59, 22195960), (118, 11097980), (236, 5548990), (295, 4439192), (472, 2774495), (590, 2219596), (1180, 1109798), (2360, 554899)]