66354980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 142502976

約数和(自身を除く): 76147996

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 307, 404, 428, 505, 535, 614, 1010, 1070, 1228, 1535, 2020, 2140, 3070, 6140, 10807, 21614, 31007, 32849, 43228, 54035, 62014, 65698, 108070, 124028, 131396, 155035, 164245, 216140, 310070, 328490, 620140, 656980, 3317749, 6635498, 13270996, 16588745, 33177490, 66354980]

約数ペア:

[(1, 66354980), (2, 33177490), (4, 16588745), (5, 13270996), (10, 6635498), (20, 3317749), (101, 656980), (107, 620140), (202, 328490), (214, 310070), (307, 216140), (404, 164245), (428, 155035), (505, 131396), (535, 124028), (614, 108070), (1010, 65698), (1070, 62014), (1228, 54035), (1535, 43228), (2020, 32849), (2140, 31007), (3070, 21614), (6140, 10807)]