2521746640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4503119}}^1$

素因数の和:4503139

約数の個数: 40

約数和(自身を含む): 6700642560

約数和(自身を除く): 4178895920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4503119, 9006238, 18012476, 22515595, 31521833, 36024952, 45031190, 63043666, 72049904, 90062380, 126087332, 157609165, 180124760, 252174664, 315218330, 360249520, 504349328, 630436660, 1260873320, 2521746640]

約数ペア:

[(1, 2521746640), (2, 1260873320), (4, 630436660), (5, 504349328), (7, 360249520), (8, 315218330), (10, 252174664), (14, 180124760), (16, 157609165), (20, 126087332), (28, 90062380), (35, 72049904), (40, 63043666), (56, 45031190), (70, 36024952), (80, 31521833), (112, 22515595), (140, 18012476), (280, 9006238), (560, 4503119)]