80196140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{235871}}^1$

素因数の和:235897

約数の個数: 24

約数和(自身を含む): 178319232

約数和(自身を除く): 98123092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 235871, 471742, 943484, 1179355, 2358710, 4009807, 4717420, 8019614, 16039228, 20049035, 40098070, 80196140]

約数ペア:

[(1, 80196140), (2, 40098070), (4, 20049035), (5, 16039228), (10, 8019614), (17, 4717420), (20, 4009807), (34, 2358710), (68, 1179355), (85, 943484), (170, 471742), (340, 235871)]