20194815560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1879}}^1\times {\mathrm{3019}}^1$

素因数の和:4998

約数の個数: 64

約数和(自身を含む): 45988560000

約数和(自身を除く): 25793744440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1879, 3019, 3560, 3758, 6038, 7516, 9395, 12076, 15032, 15095, 18790, 24152, 30190, 37580, 60380, 75160, 120760, 167231, 268691, 334462, 537382, 668924, 836155, 1074764, 1337848, 1343455, 1672310, 2149528, 2686910, 3344620, 5373820, 5672701, 6689240, 10747640, 11345402, 22690804, 28363505, 45381608, 56727010, 113454020, 226908040, 504870389, 1009740778, 2019481556, 2524351945, 4038963112, 5048703890, 10097407780, 20194815560]

約数ペア:

[(1, 20194815560), (2, 10097407780), (4, 5048703890), (5, 4038963112), (8, 2524351945), (10, 2019481556), (20, 1009740778), (40, 504870389), (89, 226908040), (178, 113454020), (356, 56727010), (445, 45381608), (712, 28363505), (890, 22690804), (1780, 11345402), (1879, 10747640), (3019, 6689240), (3560, 5672701), (3758, 5373820), (6038, 3344620), (7516, 2686910), (9395, 2149528), (12076, 1672310), (15032, 1343455), (15095, 1337848), (18790, 1074764), (24152, 836155), (30190, 668924), (37580, 537382), (60380, 334462), (75160, 268691), (120760, 167231)]