40296760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 105131520

約数和(自身を除く): 64834760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2027, 2485, 2840, 3976, 4054, 4970, 8108, 9940, 10135, 14189, 16216, 19880, 20270, 28378, 40540, 56756, 70945, 81080, 113512, 141890, 143917, 283780, 287834, 567560, 575668, 719585, 1007419, 1151336, 1439170, 2014838, 2878340, 4029676, 5037095, 5756680, 8059352, 10074190, 20148380, 40296760]

約数ペア:

[(1, 40296760), (2, 20148380), (4, 10074190), (5, 8059352), (7, 5756680), (8, 5037095), (10, 4029676), (14, 2878340), (20, 2014838), (28, 1439170), (35, 1151336), (40, 1007419), (56, 719585), (70, 575668), (71, 567560), (140, 287834), (142, 283780), (280, 143917), (284, 141890), (355, 113512), (497, 81080), (568, 70945), (710, 56756), (994, 40540), (1420, 28378), (1988, 20270), (2027, 19880), (2485, 16216), (2840, 14189), (3976, 10135), (4054, 9940), (4970, 8108)]