13928980

素因数分解:

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

素因数の和:365

約数の個数: 48

約数和(自身を含む): 31787280

約数和(自身を除く): 17858300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 317, 338, 634, 676, 845, 1268, 1585, 1690, 2197, 3170, 3380, 4121, 4394, 6340, 8242, 8788, 10985, 16484, 20605, 21970, 41210, 43940, 53573, 82420, 107146, 214292, 267865, 535730, 696449, 1071460, 1392898, 2785796, 3482245, 6964490, 13928980]

約数ペア:

[(1, 13928980), (2, 6964490), (4, 3482245), (5, 2785796), (10, 1392898), (13, 1071460), (20, 696449), (26, 535730), (52, 267865), (65, 214292), (130, 107146), (169, 82420), (260, 53573), (317, 43940), (338, 41210), (634, 21970), (676, 20605), (845, 16484), (1268, 10985), (1585, 8788), (1690, 8242), (2197, 6340), (3170, 4394), (3380, 4121)]