2558793980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{3037}}^1$

素因数の和:3558

約数の個数: 48

約数和(自身を含む): 5440693440

約数和(自身を除く): 2881899460

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 409, 412, 515, 818, 1030, 1636, 2045, 2060, 3037, 4090, 6074, 8180, 12148, 15185, 30370, 42127, 60740, 84254, 168508, 210635, 312811, 421270, 625622, 842540, 1242133, 1251244, 1564055, 2484266, 3128110, 4968532, 6210665, 6256220, 12421330, 24842660, 127939699, 255879398, 511758796, 639698495, 1279396990, 2558793980]

約数ペア:

[(1, 2558793980), (2, 1279396990), (4, 639698495), (5, 511758796), (10, 255879398), (20, 127939699), (103, 24842660), (206, 12421330), (409, 6256220), (412, 6210665), (515, 4968532), (818, 3128110), (1030, 2484266), (1636, 1564055), (2045, 1251244), (2060, 1242133), (3037, 842540), (4090, 625622), (6074, 421270), (8180, 312811), (12148, 210635), (15185, 168508), (30370, 84254), (42127, 60740)]