12739610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 25759944

約数和(自身を除く): 13020334

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 265, 430, 530, 559, 689, 1118, 1378, 1849, 2279, 2795, 3445, 3698, 4558, 5590, 6890, 9245, 11395, 18490, 22790, 24037, 29627, 48074, 59254, 97997, 120185, 148135, 195994, 240370, 296270, 489985, 979970, 1273961, 2547922, 6369805, 12739610]

約数ペア:

[(1, 12739610), (2, 6369805), (5, 2547922), (10, 1273961), (13, 979970), (26, 489985), (43, 296270), (53, 240370), (65, 195994), (86, 148135), (106, 120185), (130, 97997), (215, 59254), (265, 48074), (430, 29627), (530, 24037), (559, 22790), (689, 18490), (1118, 11395), (1378, 9245), (1849, 6890), (2279, 5590), (2795, 4558), (3445, 3698)]