2142920

素因数分解:

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

素因数の和:354

約数の個数: 48

約数和(自身を含む): 5237460

約数和(自身を除く): 3094540

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, 2536, 3170, 3380, 4121, 6340, 6760, 8242, 12680, 16484, 20605, 32968, 41210, 53573, 82420, 107146, 164840, 214292, 267865, 428584, 535730, 1071460, 2142920]

約数ペア:

[(1, 2142920), (2, 1071460), (4, 535730), (5, 428584), (8, 267865), (10, 214292), (13, 164840), (20, 107146), (26, 82420), (40, 53573), (52, 41210), (65, 32968), (104, 20605), (130, 16484), (169, 12680), (260, 8242), (317, 6760), (338, 6340), (520, 4121), (634, 3380), (676, 3170), (845, 2536), (1268, 1690), (1352, 1585)]