28977886040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{143711}}^1$

素因数の和:143864

約数の個数: 48

約数和(自身を含む): 66131951040

約数和(自身を除く): 37154065000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5041, 10082, 20164, 25205, 40328, 50410, 100820, 143711, 201640, 287422, 574844, 718555, 1149688, 1437110, 2874220, 5748440, 10203481, 20406962, 40813924, 51017405, 81627848, 102034810, 204069620, 408139240, 724447151, 1448894302, 2897788604, 3622235755, 5795577208, 7244471510, 14488943020, 28977886040]

約数ペア:

[(1, 28977886040), (2, 14488943020), (4, 7244471510), (5, 5795577208), (8, 3622235755), (10, 2897788604), (20, 1448894302), (40, 724447151), (71, 408139240), (142, 204069620), (284, 102034810), (355, 81627848), (568, 51017405), (710, 40813924), (1420, 20406962), (2840, 10203481), (5041, 5748440), (10082, 2874220), (20164, 1437110), (25205, 1149688), (40328, 718555), (50410, 574844), (100820, 287422), (143711, 201640)]