3981100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 8858808

約数和(自身を除く): 4877708

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 971, 1025, 1942, 2050, 3884, 4100, 4855, 9710, 19420, 24275, 39811, 48550, 79622, 97100, 159244, 199055, 398110, 796220, 995275, 1990550, 3981100]

約数ペア:

[(1, 3981100), (2, 1990550), (4, 995275), (5, 796220), (10, 398110), (20, 199055), (25, 159244), (41, 97100), (50, 79622), (82, 48550), (100, 39811), (164, 24275), (205, 19420), (410, 9710), (820, 4855), (971, 4100), (1025, 3884), (1942, 2050)]