2040770120

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{52543}}^1$

素因数の和:53525

約数の個数: 32

約数和(自身を含む): 4596549120

約数和(自身を除く): 2555779000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 38840, 52543, 105086, 210172, 262715, 420344, 525430, 1050860, 2101720, 51019253, 102038506, 204077012, 255096265, 408154024, 510192530, 1020385060, 2040770120]

約数ペア:

[(1, 2040770120), (2, 1020385060), (4, 510192530), (5, 408154024), (8, 255096265), (10, 204077012), (20, 102038506), (40, 51019253), (971, 2101720), (1942, 1050860), (3884, 525430), (4855, 420344), (7768, 262715), (9710, 210172), (19420, 105086), (38840, 52543)]