13391380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21599}}^1$

素因数の和:21639

約数の個数: 24

約数和(自身を含む): 29030400

約数和(自身を除く): 15639020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21599, 43198, 86396, 107995, 215990, 431980, 669569, 1339138, 2678276, 3347845, 6695690, 13391380]

約数ペア:

[(1, 13391380), (2, 6695690), (4, 3347845), (5, 2678276), (10, 1339138), (20, 669569), (31, 431980), (62, 215990), (124, 107995), (155, 86396), (310, 43198), (620, 21599)]