8661560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2741}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 19742400

約数和(自身を除く): 11080840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2741, 3160, 5482, 10964, 13705, 21928, 27410, 54820, 109640, 216539, 433078, 866156, 1082695, 1732312, 2165390, 4330780, 8661560]

約数ペア:

[(1, 8661560), (2, 4330780), (4, 2165390), (5, 1732312), (8, 1082695), (10, 866156), (20, 433078), (40, 216539), (79, 109640), (158, 54820), (316, 27410), (395, 21928), (632, 13705), (790, 10964), (1580, 5482), (2741, 3160)]