27857960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{317}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 68115600

約数和(自身を除く): 40257640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 317, 338, 520, 634, 676, 845, 1268, 1352, 1585, 1690, 2197, 2536, 3170, 3380, 4121, 4394, 6340, 6760, 8242, 8788, 10985, 12680, 16484, 17576, 20605, 21970, 32968, 41210, 43940, 53573, 82420, 87880, 107146, 164840, 214292, 267865, 428584, 535730, 696449, 1071460, 1392898, 2142920, 2785796, 3482245, 5571592, 6964490, 13928980, 27857960]

約数ペア:

[(1, 27857960), (2, 13928980), (4, 6964490), (5, 5571592), (8, 3482245), (10, 2785796), (13, 2142920), (20, 1392898), (26, 1071460), (40, 696449), (52, 535730), (65, 428584), (104, 267865), (130, 214292), (169, 164840), (260, 107146), (317, 87880), (338, 82420), (520, 53573), (634, 43940), (676, 41210), (845, 32968), (1268, 21970), (1352, 20605), (1585, 17576), (1690, 16484), (2197, 12680), (2536, 10985), (3170, 8788), (3380, 8242), (4121, 6760), (4394, 6340)]