11212760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21563}}^1$

素因数の和:21587

約数の個数: 32

約数和(自身を含む): 27170640

約数和(自身を除く): 15957880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21563, 43126, 86252, 107815, 172504, 215630, 280319, 431260, 560638, 862520, 1121276, 1401595, 2242552, 2803190, 5606380, 11212760]

約数ペア:

[(1, 11212760), (2, 5606380), (4, 2803190), (5, 2242552), (8, 1401595), (10, 1121276), (13, 862520), (20, 560638), (26, 431260), (40, 280319), (52, 215630), (65, 172504), (104, 107815), (130, 86252), (260, 43126), (520, 21563)]