2163160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 4989600

約数和(自身を除く): 2826440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1319, 1640, 2638, 5276, 6595, 10552, 13190, 26380, 52760, 54079, 108158, 216316, 270395, 432632, 540790, 1081580, 2163160]

約数ペア:

[(1, 2163160), (2, 1081580), (4, 540790), (5, 432632), (8, 270395), (10, 216316), (20, 108158), (40, 54079), (41, 52760), (82, 26380), (164, 13190), (205, 10552), (328, 6595), (410, 5276), (820, 2638), (1319, 1640)]