61503080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19463}}^1$

素因数の和:19553

約数の個数: 32

約数和(自身を含む): 140140800

約数和(自身を除く): 78637720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 19463, 38926, 77852, 97315, 155704, 194630, 389260, 778520, 1537577, 3075154, 6150308, 7687885, 12300616, 15375770, 30751540, 61503080]

約数ペア:

[(1, 61503080), (2, 30751540), (4, 15375770), (5, 12300616), (8, 7687885), (10, 6150308), (20, 3075154), (40, 1537577), (79, 778520), (158, 389260), (316, 194630), (395, 155704), (632, 97315), (790, 77852), (1580, 38926), (3160, 19463)]