64070380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1609}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 147682080

約数和(自身を除く): 83611700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1609, 1810, 1991, 3218, 3620, 3982, 6436, 7964, 8045, 9955, 16090, 17699, 19910, 32180, 35398, 39820, 70796, 88495, 176990, 291229, 353980, 582458, 1164916, 1456145, 2912290, 3203519, 5824580, 6407038, 12814076, 16017595, 32035190, 64070380]

約数ペア:

[(1, 64070380), (2, 32035190), (4, 16017595), (5, 12814076), (10, 6407038), (11, 5824580), (20, 3203519), (22, 2912290), (44, 1456145), (55, 1164916), (110, 582458), (181, 353980), (220, 291229), (362, 176990), (724, 88495), (905, 70796), (1609, 39820), (1810, 35398), (1991, 32180), (3218, 19910), (3620, 17699), (3982, 16090), (6436, 9955), (7964, 8045)]