8335880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4253}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 21823020

約数和(自身を除く): 13487140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4253, 8506, 17012, 21265, 29771, 34024, 42530, 59542, 85060, 119084, 148855, 170120, 208397, 238168, 297710, 416794, 595420, 833588, 1041985, 1190840, 1667176, 2083970, 4167940, 8335880]

約数ペア:

[(1, 8335880), (2, 4167940), (4, 2083970), (5, 1667176), (7, 1190840), (8, 1041985), (10, 833588), (14, 595420), (20, 416794), (28, 297710), (35, 238168), (40, 208397), (49, 170120), (56, 148855), (70, 119084), (98, 85060), (140, 59542), (196, 42530), (245, 34024), (280, 29771), (392, 21265), (490, 17012), (980, 8506), (1960, 4253)]