2028880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3623}}^1$

素因数の和:3643

約数の個数: 40

約数和(自身を含む): 5392512

約数和(自身を除く): 3363632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3623, 7246, 14492, 18115, 25361, 28984, 36230, 50722, 57968, 72460, 101444, 126805, 144920, 202888, 253610, 289840, 405776, 507220, 1014440, 2028880]

約数ペア:

[(1, 2028880), (2, 1014440), (4, 507220), (5, 405776), (7, 289840), (8, 253610), (10, 202888), (14, 144920), (16, 126805), (20, 101444), (28, 72460), (35, 57968), (40, 50722), (56, 36230), (70, 28984), (80, 25361), (112, 18115), (140, 14492), (280, 7246), (560, 3623)]