2002809320

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{199483}}^1$

素因数の和:199745

約数の個数: 32

約数和(自身を含む): 4524297120

約数和(自身を除く): 2521487800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 199483, 398966, 797932, 997415, 1595864, 1994830, 3989660, 7979320, 50070233, 100140466, 200280932, 250351165, 400561864, 500702330, 1001404660, 2002809320]

約数ペア:

[(1, 2002809320), (2, 1001404660), (4, 500702330), (5, 400561864), (8, 250351165), (10, 200280932), (20, 100140466), (40, 50070233), (251, 7979320), (502, 3989660), (1004, 1994830), (1255, 1595864), (2008, 997415), (2510, 797932), (5020, 398966), (10040, 199483)]