86854360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127727}}^1$

素因数の和:127755

約数の個数: 32

約数和(自身を含む): 206919360

約数和(自身を除く): 120065000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127727, 255454, 510908, 638635, 1021816, 1277270, 2171359, 2554540, 4342718, 5109080, 8685436, 10856795, 17370872, 21713590, 43427180, 86854360]

約数ペア:

[(1, 86854360), (2, 43427180), (4, 21713590), (5, 17370872), (8, 10856795), (10, 8685436), (17, 5109080), (20, 4342718), (34, 2554540), (40, 2171359), (68, 1277270), (85, 1021816), (136, 638635), (170, 510908), (340, 255454), (680, 127727)]