193910440

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2591}}^1$

素因数の和:4473

約数の個数: 32

約数和(自身を含む): 436700160

約数和(自身を除く): 242789720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 2591, 3742, 5182, 7484, 9355, 10364, 12955, 14968, 18710, 20728, 25910, 37420, 51820, 74840, 103640, 4847761, 9695522, 19391044, 24238805, 38782088, 48477610, 96955220, 193910440]

約数ペア:

[(1, 193910440), (2, 96955220), (4, 48477610), (5, 38782088), (8, 24238805), (10, 19391044), (20, 9695522), (40, 4847761), (1871, 103640), (2591, 74840), (3742, 51820), (5182, 37420), (7484, 25910), (9355, 20728), (10364, 18710), (12955, 14968)]