31544440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5023}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 71441280

約数和(自身を除く): 39896840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 5023, 6280, 10046, 20092, 25115, 40184, 50230, 100460, 200920, 788611, 1577222, 3154444, 3943055, 6308888, 7886110, 15772220, 31544440]

約数ペア:

[(1, 31544440), (2, 15772220), (4, 7886110), (5, 6308888), (8, 3943055), (10, 3154444), (20, 1577222), (40, 788611), (157, 200920), (314, 100460), (628, 50230), (785, 40184), (1256, 25115), (1570, 20092), (3140, 10046), (5023, 6280)]