39894250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 82892160

約数和(自身を除く): 42997910

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 125, 163, 178, 250, 275, 326, 445, 550, 815, 890, 979, 1375, 1630, 1793, 1958, 2225, 2750, 3586, 4075, 4450, 4895, 8150, 8965, 9790, 11125, 14507, 17930, 20375, 22250, 24475, 29014, 40750, 44825, 48950, 72535, 89650, 122375, 145070, 159577, 224125, 244750, 319154, 362675, 448250, 725350, 797885, 1595770, 1813375, 3626750, 3989425, 7978850, 19947125, 39894250]

約数ペア:

[(1, 39894250), (2, 19947125), (5, 7978850), (10, 3989425), (11, 3626750), (22, 1813375), (25, 1595770), (50, 797885), (55, 725350), (89, 448250), (110, 362675), (125, 319154), (163, 244750), (178, 224125), (250, 159577), (275, 145070), (326, 122375), (445, 89650), (550, 72535), (815, 48950), (890, 44825), (979, 40750), (1375, 29014), (1630, 24475), (1793, 22250), (1958, 20375), (2225, 17930), (2750, 14507), (3586, 11125), (4075, 9790), (4450, 8965), (4895, 8150)]