51359480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16253}}^1$

素因数の和:16343

約数の個数: 32

約数和(自身を含む): 117028800

約数和(自身を除く): 65669320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 16253, 32506, 65012, 81265, 130024, 162530, 325060, 650120, 1283987, 2567974, 5135948, 6419935, 10271896, 12839870, 25679740, 51359480]

約数ペア:

[(1, 51359480), (2, 25679740), (4, 12839870), (5, 10271896), (8, 6419935), (10, 5135948), (20, 2567974), (40, 1283987), (79, 650120), (158, 325060), (316, 162530), (395, 130024), (632, 81265), (790, 65012), (1580, 32506), (3160, 16253)]