90015220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63391}}^1$

素因数の和:63471

約数の個数: 24

約数和(自身を含む): 191697408

約数和(自身を除く): 101682188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63391, 126782, 253564, 316955, 633910, 1267820, 4500761, 9001522, 18003044, 22503805, 45007610, 90015220]

約数ペア:

[(1, 90015220), (2, 45007610), (4, 22503805), (5, 18003044), (10, 9001522), (20, 4500761), (71, 1267820), (142, 633910), (284, 316955), (355, 253564), (710, 126782), (1420, 63391)]