12956860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4906

約数の個数: 48

約数和(自身を含む): 32739840

約数和(自身を除く): 19782980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4871, 9742, 19484, 24355, 34097, 48710, 68194, 92549, 97420, 136388, 170485, 185098, 340970, 370196, 462745, 647843, 681940, 925490, 1295686, 1850980, 2591372, 3239215, 6478430, 12956860]

約数ペア:

[(1, 12956860), (2, 6478430), (4, 3239215), (5, 2591372), (7, 1850980), (10, 1295686), (14, 925490), (19, 681940), (20, 647843), (28, 462745), (35, 370196), (38, 340970), (70, 185098), (76, 170485), (95, 136388), (133, 97420), (140, 92549), (190, 68194), (266, 48710), (380, 34097), (532, 24355), (665, 19484), (1330, 9742), (2660, 4871)]