1105640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 2518560

約数和(自身を除く): 1412920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 211, 262, 422, 524, 655, 844, 1048, 1055, 1310, 1688, 2110, 2620, 4220, 5240, 8440, 27641, 55282, 110564, 138205, 221128, 276410, 552820, 1105640]

約数ペア:

[(1, 1105640), (2, 552820), (4, 276410), (5, 221128), (8, 138205), (10, 110564), (20, 55282), (40, 27641), (131, 8440), (211, 5240), (262, 4220), (422, 2620), (524, 2110), (655, 1688), (844, 1310), (1048, 1055)]