222495640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{42461}}^1$

素因数の和:42603

約数の個数: 32

約数和(自身を含む): 504448560

約数和(自身を除く): 281952920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 42461, 84922, 169844, 212305, 339688, 424610, 849220, 1698440, 5562391, 11124782, 22249564, 27811955, 44499128, 55623910, 111247820, 222495640]

約数ペア:

[(1, 222495640), (2, 111247820), (4, 55623910), (5, 44499128), (8, 27811955), (10, 22249564), (20, 11124782), (40, 5562391), (131, 1698440), (262, 849220), (524, 424610), (655, 339688), (1048, 212305), (1310, 169844), (2620, 84922), (5240, 42461)]