2640641840

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{76231}}^1$

素因数の和:76677

約数の個数: 40

約数和(自身を含む): 6153751968

約数和(自身を除く): 3513110128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 2165, 3464, 4330, 6928, 8660, 17320, 34640, 76231, 152462, 304924, 381155, 609848, 762310, 1219696, 1524620, 3049240, 6098480, 33008023, 66016046, 132032092, 165040115, 264064184, 330080230, 528128368, 660160460, 1320320920, 2640641840]

約数ペア:

[(1, 2640641840), (2, 1320320920), (4, 660160460), (5, 528128368), (8, 330080230), (10, 264064184), (16, 165040115), (20, 132032092), (40, 66016046), (80, 33008023), (433, 6098480), (866, 3049240), (1732, 1524620), (2165, 1219696), (3464, 762310), (4330, 609848), (6928, 381155), (8660, 304924), (17320, 152462), (34640, 76231)]