8874280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3709

約数の個数: 32

約数和(自身を含む): 20300040

約数和(自身を除く): 11425760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3637, 7274, 14548, 18185, 29096, 36370, 72740, 145480, 221857, 443714, 887428, 1109285, 1774856, 2218570, 4437140, 8874280]

約数ペア:

[(1, 8874280), (2, 4437140), (4, 2218570), (5, 1774856), (8, 1109285), (10, 887428), (20, 443714), (40, 221857), (61, 145480), (122, 72740), (244, 36370), (305, 29096), (488, 18185), (610, 14548), (1220, 7274), (2440, 3637)]