11513720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5495

約数の個数: 32

約数和(自身を含む): 26399520

約数和(自身を除く): 14885800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5431, 10862, 21724, 27155, 43448, 54310, 108620, 217240, 287843, 575686, 1151372, 1439215, 2302744, 2878430, 5756860, 11513720]

約数ペア:

[(1, 11513720), (2, 5756860), (4, 2878430), (5, 2302744), (8, 1439215), (10, 1151372), (20, 575686), (40, 287843), (53, 217240), (106, 108620), (212, 54310), (265, 43448), (424, 27155), (530, 21724), (1060, 10862), (2120, 5431)]