57247480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 134174880

約数和(自身を除く): 76927400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 521, 536, 670, 820, 1042, 1340, 1640, 2084, 2605, 2680, 2747, 4168, 5210, 5494, 10420, 10988, 13735, 20840, 21361, 21976, 27470, 34907, 42722, 54940, 69814, 85444, 106805, 109880, 139628, 170888, 174535, 213610, 279256, 349070, 427220, 698140, 854440, 1396280, 1431187, 2862374, 5724748, 7155935, 11449496, 14311870, 28623740, 57247480]

約数ペア:

[(1, 57247480), (2, 28623740), (4, 14311870), (5, 11449496), (8, 7155935), (10, 5724748), (20, 2862374), (40, 1431187), (41, 1396280), (67, 854440), (82, 698140), (134, 427220), (164, 349070), (205, 279256), (268, 213610), (328, 174535), (335, 170888), (410, 139628), (521, 109880), (536, 106805), (670, 85444), (820, 69814), (1042, 54940), (1340, 42722), (1640, 34907), (2084, 27470), (2605, 21976), (2680, 21361), (2747, 20840), (4168, 13735), (5210, 10988), (5494, 10420)]