201955720

素因数分解:

$2^3\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{2713}}^1$

素因数の和:4585

約数の個数: 32

約数和(自身を含む): 454812120

約数和(自身を除く): 252856400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1861, 2713, 3722, 5426, 7444, 9305, 10852, 13565, 14888, 18610, 21704, 27130, 37220, 54260, 74440, 108520, 5048893, 10097786, 20195572, 25244465, 40391144, 50488930, 100977860, 201955720]

約数ペア:

[(1, 201955720), (2, 100977860), (4, 50488930), (5, 40391144), (8, 25244465), (10, 20195572), (20, 10097786), (40, 5048893), (1861, 108520), (2713, 74440), (3722, 54260), (5426, 37220), (7444, 27130), (9305, 21704), (10852, 18610), (13565, 14888)]