2660026780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1\times {\mathrm{1637}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 5646775680

約数和(自身を除く): 2986748900

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 719, 1130, 1438, 1637, 2260, 2876, 3274, 3595, 6548, 7190, 8185, 14380, 16370, 32740, 81247, 162494, 184981, 324988, 369962, 406235, 739924, 812470, 924905, 1177003, 1624940, 1849810, 2354006, 3699620, 4708012, 5885015, 11770030, 23540060, 133001339, 266002678, 532005356, 665006695, 1330013390, 2660026780]

約数ペア:

[(1, 2660026780), (2, 1330013390), (4, 665006695), (5, 532005356), (10, 266002678), (20, 133001339), (113, 23540060), (226, 11770030), (452, 5885015), (565, 4708012), (719, 3699620), (1130, 2354006), (1438, 1849810), (1637, 1624940), (2260, 1177003), (2876, 924905), (3274, 812470), (3595, 739924), (6548, 406235), (7190, 369962), (8185, 324988), (14380, 184981), (16370, 162494), (32740, 81247)]