2008990540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1271513}}^1$

素因数の和:1271601

約数の個数: 24

約数和(自身を含む): 4272287040

約数和(自身を除く): 2263296500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1271513, 2543026, 5086052, 6357565, 12715130, 25430260, 100449527, 200899054, 401798108, 502247635, 1004495270, 2008990540]

約数ペア:

[(1, 2008990540), (2, 1004495270), (4, 502247635), (5, 401798108), (10, 200899054), (20, 100449527), (79, 25430260), (158, 12715130), (316, 6357565), (395, 5086052), (790, 2543026), (1580, 1271513)]