266536820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1211531}}^1$

素因数の和:1211551

約数の個数: 24

約数和(自身を含む): 610612128

約数和(自身を除く): 344075308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1211531, 2423062, 4846124, 6057655, 12115310, 13326841, 24230620, 26653682, 53307364, 66634205, 133268410, 266536820]

約数ペア:

[(1, 266536820), (2, 133268410), (4, 66634205), (5, 53307364), (10, 26653682), (11, 24230620), (20, 13326841), (22, 12115310), (44, 6057655), (55, 4846124), (110, 2423062), (220, 1211531)]