51912640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12479}}^1$

素因数の和:12509

約数の個数: 56

約数和(自身を含む): 133136640

約数和(自身を除く): 81224000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 12479, 24958, 49916, 62395, 99832, 124790, 162227, 199664, 249580, 324454, 399328, 499160, 648908, 798656, 811135, 998320, 1297816, 1622270, 1996640, 2595632, 3244540, 3993280, 5191264, 6489080, 10382528, 12978160, 25956320, 51912640]

約数ペア:

[(1, 51912640), (2, 25956320), (4, 12978160), (5, 10382528), (8, 6489080), (10, 5191264), (13, 3993280), (16, 3244540), (20, 2595632), (26, 1996640), (32, 1622270), (40, 1297816), (52, 998320), (64, 811135), (65, 798656), (80, 648908), (104, 499160), (130, 399328), (160, 324454), (208, 249580), (260, 199664), (320, 162227), (416, 124790), (520, 99832), (832, 62395), (1040, 49916), (2080, 24958), (4160, 12479)]