83771560

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3319}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 188841600

約数和(自身を除く): 105070040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 3319, 5048, 6310, 6638, 12620, 13276, 16595, 25240, 26552, 33190, 66380, 132760, 2094289, 4188578, 8377156, 10471445, 16754312, 20942890, 41885780, 83771560]

約数ペア:

[(1, 83771560), (2, 41885780), (4, 20942890), (5, 16754312), (8, 10471445), (10, 8377156), (20, 4188578), (40, 2094289), (631, 132760), (1262, 66380), (2524, 33190), (3155, 26552), (3319, 25240), (5048, 16595), (6310, 13276), (6638, 12620)]