90279340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63577}}^1$

素因数の和:63657

約数の個数: 24

約数和(自身を含む): 192259872

約数和(自身を除く): 101980532

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63577, 127154, 254308, 317885, 635770, 1271540, 4513967, 9027934, 18055868, 22569835, 45139670, 90279340]

約数ペア:

[(1, 90279340), (2, 45139670), (4, 22569835), (5, 18055868), (10, 9027934), (20, 4513967), (71, 1271540), (142, 635770), (284, 317885), (355, 254308), (710, 127154), (1420, 63577)]