20150491660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{86209}}^1$

素因数の和:86291

約数の個数: 96

約数和(自身を含む): 48663820800

約数和(自身を除く): 28513329140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 260, 290, 310, 377, 403, 580, 620, 754, 806, 899, 1508, 1612, 1798, 1885, 2015, 3596, 3770, 4030, 4495, 7540, 8060, 8990, 11687, 17980, 23374, 46748, 58435, 86209, 116870, 172418, 233740, 344836, 431045, 862090, 1120717, 1724180, 2241434, 2500061, 2672479, 4482868, 5000122, 5344958, 5603585, 10000244, 10689916, 11207170, 12500305, 13362395, 22414340, 25000610, 26724790, 32500793, 34742227, 50001220, 53449580, 65001586, 69484454, 77501891, 130003172, 138968908, 155003782, 162503965, 173711135, 310007564, 325007930, 347422270, 387509455, 650015860, 694844540, 775018910, 1007524583, 1550037820, 2015049166, 4030098332, 5037622915, 10075245830, 20150491660]

約数ペア:

[(1, 20150491660), (2, 10075245830), (4, 5037622915), (5, 4030098332), (10, 2015049166), (13, 1550037820), (20, 1007524583), (26, 775018910), (29, 694844540), (31, 650015860), (52, 387509455), (58, 347422270), (62, 325007930), (65, 310007564), (116, 173711135), (124, 162503965), (130, 155003782), (145, 138968908), (155, 130003172), (260, 77501891), (290, 69484454), (310, 65001586), (377, 53449580), (403, 50001220), (580, 34742227), (620, 32500793), (754, 26724790), (806, 25000610), (899, 22414340), (1508, 13362395), (1612, 12500305), (1798, 11207170), (1885, 10689916), (2015, 10000244), (3596, 5603585), (3770, 5344958), (4030, 5000122), (4495, 4482868), (7540, 2672479), (8060, 2500061), (8990, 2241434), (11687, 1724180), (17980, 1120717), (23374, 862090), (46748, 431045), (58435, 344836), (86209, 233740), (116870, 172418)]