3189320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 7283520

約数和(自身を除く): 4094200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1123, 1420, 2246, 2840, 4492, 5615, 8984, 11230, 22460, 44920, 79733, 159466, 318932, 398665, 637864, 797330, 1594660, 3189320]

約数ペア:

[(1, 3189320), (2, 1594660), (4, 797330), (5, 637864), (8, 398665), (10, 318932), (20, 159466), (40, 79733), (71, 44920), (142, 22460), (284, 11230), (355, 8984), (568, 5615), (710, 4492), (1123, 2840), (1420, 2246)]