40801840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 100663200

約数和(自身を除く): 59861360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 409, 430, 464, 580, 688, 818, 860, 1160, 1247, 1636, 1720, 2045, 2320, 2494, 3272, 3440, 4090, 4988, 6235, 6544, 8180, 9976, 11861, 12470, 16360, 17587, 19952, 23722, 24940, 32720, 35174, 47444, 49880, 59305, 70348, 87935, 94888, 99760, 118610, 140696, 175870, 189776, 237220, 281392, 351740, 474440, 510023, 703480, 948880, 1020046, 1406960, 2040092, 2550115, 4080184, 5100230, 8160368, 10200460, 20400920, 40801840]

約数ペア:

[(1, 40801840), (2, 20400920), (4, 10200460), (5, 8160368), (8, 5100230), (10, 4080184), (16, 2550115), (20, 2040092), (29, 1406960), (40, 1020046), (43, 948880), (58, 703480), (80, 510023), (86, 474440), (116, 351740), (145, 281392), (172, 237220), (215, 189776), (232, 175870), (290, 140696), (344, 118610), (409, 99760), (430, 94888), (464, 87935), (580, 70348), (688, 59305), (818, 49880), (860, 47444), (1160, 35174), (1247, 32720), (1636, 24940), (1720, 23722), (2045, 19952), (2320, 17587), (2494, 16360), (3272, 12470), (3440, 11861), (4090, 9976), (4988, 8180), (6235, 6544)]