252880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 613800

約数和(自身を除く): 360920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 218, 232, 290, 436, 464, 545, 580, 872, 1090, 1160, 1744, 2180, 2320, 3161, 4360, 6322, 8720, 12644, 15805, 25288, 31610, 50576, 63220, 126440, 252880]

約数ペア:

[(1, 252880), (2, 126440), (4, 63220), (5, 50576), (8, 31610), (10, 25288), (16, 15805), (20, 12644), (29, 8720), (40, 6322), (58, 4360), (80, 3161), (109, 2320), (116, 2180), (145, 1744), (218, 1160), (232, 1090), (290, 872), (436, 580), (464, 545)]