8097820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 18079488

約数和(自身を除く): 9981668

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 353, 370, 620, 706, 740, 1147, 1412, 1765, 2294, 3530, 4588, 5735, 7060, 10943, 11470, 13061, 21886, 22940, 26122, 43772, 52244, 54715, 65305, 109430, 130610, 218860, 261220, 404891, 809782, 1619564, 2024455, 4048910, 8097820]

約数ペア:

[(1, 8097820), (2, 4048910), (4, 2024455), (5, 1619564), (10, 809782), (20, 404891), (31, 261220), (37, 218860), (62, 130610), (74, 109430), (124, 65305), (148, 54715), (155, 52244), (185, 43772), (310, 26122), (353, 22940), (370, 21886), (620, 13061), (706, 11470), (740, 10943), (1147, 7060), (1412, 5735), (1765, 4588), (2294, 3530)]