68800420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3727}}^1$

素因数の和:3820

約数の個数: 48

約数和(自身を含む): 157828608

約数和(自身を除く): 89028188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 3727, 4615, 7454, 9230, 14908, 18460, 18635, 37270, 48451, 74540, 96902, 193804, 242255, 264617, 484510, 529234, 969020, 1058468, 1323085, 2646170, 3440021, 5292340, 6880042, 13760084, 17200105, 34400210, 68800420]

約数ペア:

[(1, 68800420), (2, 34400210), (4, 17200105), (5, 13760084), (10, 6880042), (13, 5292340), (20, 3440021), (26, 2646170), (52, 1323085), (65, 1058468), (71, 969020), (130, 529234), (142, 484510), (260, 264617), (284, 242255), (355, 193804), (710, 96902), (923, 74540), (1420, 48451), (1846, 37270), (3692, 18635), (3727, 18460), (4615, 14908), (7454, 9230)]