12636760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5179}}^1$

素因数の和:5251

約数の個数: 32

約数和(自身を含む): 28904400

約数和(自身を除く): 16267640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5179, 10358, 20716, 25895, 41432, 51790, 103580, 207160, 315919, 631838, 1263676, 1579595, 2527352, 3159190, 6318380, 12636760]

約数ペア:

[(1, 12636760), (2, 6318380), (4, 3159190), (5, 2527352), (8, 1579595), (10, 1263676), (20, 631838), (40, 315919), (61, 207160), (122, 103580), (244, 51790), (305, 41432), (488, 25895), (610, 20716), (1220, 10358), (2440, 5179)]