3881720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 8903520

約数和(自身を除く): 5021800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1831, 2120, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 97043, 194086, 388172, 485215, 776344, 970430, 1940860, 3881720]

約数ペア:

[(1, 3881720), (2, 1940860), (4, 970430), (5, 776344), (8, 485215), (10, 388172), (20, 194086), (40, 97043), (53, 73240), (106, 36620), (212, 18310), (265, 14648), (424, 9155), (530, 7324), (1060, 3662), (1831, 2120)]