42129620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5280

約数の個数: 48

約数和(自身を含む): 98370048

約数和(自身を除く): 56240428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 5227, 8060, 10454, 20908, 26135, 52270, 67951, 104540, 135902, 162037, 271804, 324074, 339755, 648148, 679510, 810185, 1359020, 1620370, 2106481, 3240740, 4212962, 8425924, 10532405, 21064810, 42129620]

約数ペア:

[(1, 42129620), (2, 21064810), (4, 10532405), (5, 8425924), (10, 4212962), (13, 3240740), (20, 2106481), (26, 1620370), (31, 1359020), (52, 810185), (62, 679510), (65, 648148), (124, 339755), (130, 324074), (155, 271804), (260, 162037), (310, 135902), (403, 104540), (620, 67951), (806, 52270), (1612, 26135), (2015, 20908), (4030, 10454), (5227, 8060)]