205836760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{37021}}^1$

素因数の和:37171

約数の個数: 32

約数和(自身を含む): 466477200

約数和(自身を除く): 260640440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 37021, 74042, 148084, 185105, 296168, 370210, 740420, 1480840, 5145919, 10291838, 20583676, 25729595, 41167352, 51459190, 102918380, 205836760]

約数ペア:

[(1, 205836760), (2, 102918380), (4, 51459190), (5, 41167352), (8, 25729595), (10, 20583676), (20, 10291838), (40, 5145919), (139, 1480840), (278, 740420), (556, 370210), (695, 296168), (1112, 185105), (1390, 148084), (2780, 74042), (5560, 37021)]