12874420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{293}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 29388240

約数和(自身を除く): 16513820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 293, 338, 586, 676, 845, 1172, 1465, 1690, 2197, 2930, 3380, 3809, 4394, 5860, 7618, 8788, 10985, 15236, 19045, 21970, 38090, 43940, 49517, 76180, 99034, 198068, 247585, 495170, 643721, 990340, 1287442, 2574884, 3218605, 6437210, 12874420]

約数ペア:

[(1, 12874420), (2, 6437210), (4, 3218605), (5, 2574884), (10, 1287442), (13, 990340), (20, 643721), (26, 495170), (52, 247585), (65, 198068), (130, 99034), (169, 76180), (260, 49517), (293, 43940), (338, 38090), (586, 21970), (676, 19045), (845, 15236), (1172, 10985), (1465, 8788), (1690, 7618), (2197, 5860), (2930, 4394), (3380, 3809)]