7873840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 20186208

約数和(自身を除く): 12312368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 113, 130, 134, 208, 226, 260, 268, 335, 452, 520, 536, 565, 670, 871, 904, 1040, 1072, 1130, 1340, 1469, 1742, 1808, 2260, 2680, 2938, 3484, 4355, 4520, 5360, 5876, 6968, 7345, 7571, 8710, 9040, 11752, 13936, 14690, 15142, 17420, 23504, 29380, 30284, 34840, 37855, 58760, 60568, 69680, 75710, 98423, 117520, 121136, 151420, 196846, 302840, 393692, 492115, 605680, 787384, 984230, 1574768, 1968460, 3936920, 7873840]

約数ペア:

[(1, 7873840), (2, 3936920), (4, 1968460), (5, 1574768), (8, 984230), (10, 787384), (13, 605680), (16, 492115), (20, 393692), (26, 302840), (40, 196846), (52, 151420), (65, 121136), (67, 117520), (80, 98423), (104, 75710), (113, 69680), (130, 60568), (134, 58760), (208, 37855), (226, 34840), (260, 30284), (268, 29380), (335, 23504), (452, 17420), (520, 15142), (536, 14690), (565, 13936), (670, 11752), (871, 9040), (904, 8710), (1040, 7571), (1072, 7345), (1130, 6968), (1340, 5876), (1469, 5360), (1742, 4520), (1808, 4355), (2260, 3484), (2680, 2938)]