12812981750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{7669}}^1$

素因数の和:7890

約数の個数: 64

約数和(自身を含む): 24724889280

約数和(自身を除く): 11911907530

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 163, 205, 250, 326, 410, 815, 1025, 1630, 2050, 4075, 5125, 6683, 7669, 8150, 10250, 13366, 15338, 20375, 33415, 38345, 40750, 66830, 76690, 167075, 191725, 314429, 334150, 383450, 628858, 835375, 958625, 1250047, 1572145, 1670750, 1917250, 2500094, 3144290, 6250235, 7860725, 12500470, 15721450, 31251175, 39303625, 51251927, 62502350, 78607250, 102503854, 156255875, 256259635, 312511750, 512519270, 1281298175, 2562596350, 6406490875, 12812981750]

約数ペア:

[(1, 12812981750), (2, 6406490875), (5, 2562596350), (10, 1281298175), (25, 512519270), (41, 312511750), (50, 256259635), (82, 156255875), (125, 102503854), (163, 78607250), (205, 62502350), (250, 51251927), (326, 39303625), (410, 31251175), (815, 15721450), (1025, 12500470), (1630, 7860725), (2050, 6250235), (4075, 3144290), (5125, 2500094), (6683, 1917250), (7669, 1670750), (8150, 1572145), (10250, 1250047), (13366, 958625), (15338, 835375), (20375, 628858), (33415, 383450), (38345, 334150), (40750, 314429), (66830, 191725), (76690, 167075)]