13220260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21323}}^1$

素因数の和:21363

約数の個数: 24

約数和(自身を含む): 28659456

約数和(自身を除く): 15439196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21323, 42646, 85292, 106615, 213230, 426460, 661013, 1322026, 2644052, 3305065, 6610130, 13220260]

約数ペア:

[(1, 13220260), (2, 6610130), (4, 3305065), (5, 2644052), (10, 1322026), (20, 661013), (31, 426460), (62, 213230), (124, 106615), (155, 85292), (310, 42646), (620, 21323)]