80282440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9887}}^1$

素因数の和:9934

約数の個数: 64

約数和(自身を含む): 213580800

約数和(自身を除く): 133298360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9887, 19774, 39548, 49435, 69209, 79096, 98870, 138418, 197740, 276836, 286723, 346045, 395480, 553672, 573446, 692090, 1146892, 1384180, 1433615, 2007061, 2293784, 2768360, 2867230, 4014122, 5734460, 8028244, 10035305, 11468920, 16056488, 20070610, 40141220, 80282440]

約数ペア:

[(1, 80282440), (2, 40141220), (4, 20070610), (5, 16056488), (7, 11468920), (8, 10035305), (10, 8028244), (14, 5734460), (20, 4014122), (28, 2867230), (29, 2768360), (35, 2293784), (40, 2007061), (56, 1433615), (58, 1384180), (70, 1146892), (116, 692090), (140, 573446), (145, 553672), (203, 395480), (232, 346045), (280, 286723), (290, 276836), (406, 197740), (580, 138418), (812, 98870), (1015, 79096), (1160, 69209), (1624, 49435), (2030, 39548), (4060, 19774), (8120, 9887)]