51781940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6269}}^1$

素因数の和:6344

約数の個数: 48

約数和(自身を含む): 126403200

約数和(自身を除く): 74621260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 6269, 8260, 12538, 25076, 31345, 43883, 62690, 87766, 125380, 175532, 219415, 369871, 438830, 739742, 877660, 1479484, 1849355, 2589097, 3698710, 5178194, 7397420, 10356388, 12945485, 25890970, 51781940]

約数ペア:

[(1, 51781940), (2, 25890970), (4, 12945485), (5, 10356388), (7, 7397420), (10, 5178194), (14, 3698710), (20, 2589097), (28, 1849355), (35, 1479484), (59, 877660), (70, 739742), (118, 438830), (140, 369871), (236, 219415), (295, 175532), (413, 125380), (590, 87766), (826, 62690), (1180, 43883), (1652, 31345), (2065, 25076), (4130, 12538), (6269, 8260)]