56628680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 130870080

約数和(自身を除く): 74241400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 107, 131, 202, 214, 262, 404, 428, 505, 524, 535, 655, 808, 856, 1010, 1048, 1070, 1310, 2020, 2140, 2620, 4040, 4280, 5240, 10807, 13231, 14017, 21614, 26462, 28034, 43228, 52924, 54035, 56068, 66155, 70085, 86456, 105848, 108070, 112136, 132310, 140170, 216140, 264620, 280340, 432280, 529240, 560680, 1415717, 2831434, 5662868, 7078585, 11325736, 14157170, 28314340, 56628680]

約数ペア:

[(1, 56628680), (2, 28314340), (4, 14157170), (5, 11325736), (8, 7078585), (10, 5662868), (20, 2831434), (40, 1415717), (101, 560680), (107, 529240), (131, 432280), (202, 280340), (214, 264620), (262, 216140), (404, 140170), (428, 132310), (505, 112136), (524, 108070), (535, 105848), (655, 86456), (808, 70085), (856, 66155), (1010, 56068), (1048, 54035), (1070, 52924), (1310, 43228), (2020, 28034), (2140, 26462), (2620, 21614), (4040, 14017), (4280, 13231), (5240, 10807)]