40362640

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1297}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 94156920

約数和(自身を除く): 53794280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1297, 1556, 1945, 2594, 3112, 3890, 5188, 6224, 6485, 7780, 10376, 12970, 15560, 20752, 25940, 31120, 51880, 103760, 504533, 1009066, 2018132, 2522665, 4036264, 5045330, 8072528, 10090660, 20181320, 40362640]

約数ペア:

[(1, 40362640), (2, 20181320), (4, 10090660), (5, 8072528), (8, 5045330), (10, 4036264), (16, 2522665), (20, 2018132), (40, 1009066), (80, 504533), (389, 103760), (778, 51880), (1297, 31120), (1556, 25940), (1945, 20752), (2594, 15560), (3112, 12970), (3890, 10376), (5188, 7780), (6224, 6485)]