7977560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 18552240

約数和(自身を除く): 10574680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 1060, 1420, 2120, 2809, 2840, 3763, 5618, 7526, 11236, 14045, 15052, 18815, 22472, 28090, 30104, 37630, 56180, 75260, 112360, 150520, 199439, 398878, 797756, 997195, 1595512, 1994390, 3988780, 7977560]

約数ペア:

[(1, 7977560), (2, 3988780), (4, 1994390), (5, 1595512), (8, 997195), (10, 797756), (20, 398878), (40, 199439), (53, 150520), (71, 112360), (106, 75260), (142, 56180), (212, 37630), (265, 30104), (284, 28090), (355, 22472), (424, 18815), (530, 15052), (568, 14045), (710, 11236), (1060, 7526), (1420, 5618), (2120, 3763), (2809, 2840)]