1085680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 2593584

約数和(自身を除く): 1507904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 331, 410, 656, 662, 820, 1324, 1640, 1655, 2648, 3280, 3310, 5296, 6620, 13240, 13571, 26480, 27142, 54284, 67855, 108568, 135710, 217136, 271420, 542840, 1085680]

約数ペア:

[(1, 1085680), (2, 542840), (4, 271420), (5, 217136), (8, 135710), (10, 108568), (16, 67855), (20, 54284), (40, 27142), (41, 26480), (80, 13571), (82, 13240), (164, 6620), (205, 5296), (328, 3310), (331, 3280), (410, 2648), (656, 1655), (662, 1640), (820, 1324)]