4892420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 11440128

約数和(自身を除く): 6547708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 607, 620, 806, 1214, 1612, 2015, 2428, 3035, 4030, 6070, 7891, 8060, 12140, 15782, 18817, 31564, 37634, 39455, 75268, 78910, 94085, 157820, 188170, 244621, 376340, 489242, 978484, 1223105, 2446210, 4892420]

約数ペア:

[(1, 4892420), (2, 2446210), (4, 1223105), (5, 978484), (10, 489242), (13, 376340), (20, 244621), (26, 188170), (31, 157820), (52, 94085), (62, 78910), (65, 75268), (124, 39455), (130, 37634), (155, 31564), (260, 18817), (310, 15782), (403, 12140), (607, 8060), (620, 7891), (806, 6070), (1214, 4030), (1612, 3035), (2015, 2428)]