85220860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137453}}^1$

素因数の和:137493

約数の個数: 24

約数和(自身を含む): 184738176

約数和(自身を除く): 99517316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137453, 274906, 549812, 687265, 1374530, 2749060, 4261043, 8522086, 17044172, 21305215, 42610430, 85220860]

約数ペア:

[(1, 85220860), (2, 42610430), (4, 21305215), (5, 17044172), (10, 8522086), (20, 4261043), (31, 2749060), (62, 1374530), (124, 687265), (155, 549812), (310, 274906), (620, 137453)]