16422640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15791}}^1$

素因数の和:15817

約数の個数: 40

約数和(自身を含む): 41122368

約数和(自身を除く): 24699728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15791, 31582, 63164, 78955, 126328, 157910, 205283, 252656, 315820, 410566, 631640, 821132, 1026415, 1263280, 1642264, 2052830, 3284528, 4105660, 8211320, 16422640]

約数ペア:

[(1, 16422640), (2, 8211320), (4, 4105660), (5, 3284528), (8, 2052830), (10, 1642264), (13, 1263280), (16, 1026415), (20, 821132), (26, 631640), (40, 410566), (52, 315820), (65, 252656), (80, 205283), (104, 157910), (130, 126328), (208, 78955), (260, 63164), (520, 31582), (1040, 15791)]