28519790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2777}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 56004480

約数和(自身を除く): 27484690

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 2777, 5135, 5554, 10270, 13885, 27770, 36101, 72202, 180505, 219383, 361010, 438766, 1096915, 2193830, 2851979, 5703958, 14259895, 28519790]

約数ペア:

[(1, 28519790), (2, 14259895), (5, 5703958), (10, 2851979), (13, 2193830), (26, 1096915), (65, 438766), (79, 361010), (130, 219383), (158, 180505), (395, 72202), (790, 36101), (1027, 27770), (2054, 13885), (2777, 10270), (5135, 5554)]