67139540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13632

約数の個数: 48

約数和(自身を含む): 159841920

約数和(自身を除く): 92702380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13591, 27182, 54364, 67955, 135910, 176683, 258229, 271820, 353366, 516458, 706732, 883415, 1032916, 1291145, 1766830, 2582290, 3356977, 3533660, 5164580, 6713954, 13427908, 16784885, 33569770, 67139540]

約数ペア:

[(1, 67139540), (2, 33569770), (4, 16784885), (5, 13427908), (10, 6713954), (13, 5164580), (19, 3533660), (20, 3356977), (26, 2582290), (38, 1766830), (52, 1291145), (65, 1032916), (76, 883415), (95, 706732), (130, 516458), (190, 353366), (247, 271820), (260, 258229), (380, 176683), (494, 135910), (988, 67955), (1235, 54364), (2470, 27182), (4940, 13591)]