2020415020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{12973}}^1$

素因数の和:13594

約数の個数: 48

約数和(自身を含む): 4577227200

約数和(自身を除く): 2556812180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 599, 1198, 2396, 2995, 5990, 7787, 11980, 12973, 15574, 25946, 31148, 38935, 51892, 64865, 77870, 129730, 155740, 168649, 259460, 337298, 674596, 843245, 1686490, 3372980, 7770827, 15541654, 31083308, 38854135, 77708270, 101020751, 155416540, 202041502, 404083004, 505103755, 1010207510, 2020415020]

約数ペア:

[(1, 2020415020), (2, 1010207510), (4, 505103755), (5, 404083004), (10, 202041502), (13, 155416540), (20, 101020751), (26, 77708270), (52, 38854135), (65, 31083308), (130, 15541654), (260, 7770827), (599, 3372980), (1198, 1686490), (2396, 843245), (2995, 674596), (5990, 337298), (7787, 259460), (11980, 168649), (12973, 155740), (15574, 129730), (25946, 77870), (31148, 64865), (38935, 51892)]