27181720

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2053}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 61373520

約数和(自身を除く): 34191800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2053, 2648, 3310, 4106, 6620, 8212, 10265, 13240, 16424, 20530, 41060, 82120, 679543, 1359086, 2718172, 3397715, 5436344, 6795430, 13590860, 27181720]

約数ペア:

[(1, 27181720), (2, 13590860), (4, 6795430), (5, 5436344), (8, 3397715), (10, 2718172), (20, 1359086), (40, 679543), (331, 82120), (662, 41060), (1324, 20530), (1655, 16424), (2053, 13240), (2648, 10265), (3310, 8212), (4106, 6620)]