4085000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 10309200

約数和(自身を除く): 6224200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 43, 50, 76, 86, 95, 100, 125, 152, 172, 190, 200, 215, 250, 344, 380, 430, 475, 500, 625, 760, 817, 860, 950, 1000, 1075, 1250, 1634, 1720, 1900, 2150, 2375, 2500, 3268, 3800, 4085, 4300, 4750, 5000, 5375, 6536, 8170, 8600, 9500, 10750, 11875, 16340, 19000, 20425, 21500, 23750, 26875, 32680, 40850, 43000, 47500, 53750, 81700, 95000, 102125, 107500, 163400, 204250, 215000, 408500, 510625, 817000, 1021250, 2042500, 4085000]

約数ペア:

[(1, 4085000), (2, 2042500), (4, 1021250), (5, 817000), (8, 510625), (10, 408500), (19, 215000), (20, 204250), (25, 163400), (38, 107500), (40, 102125), (43, 95000), (50, 81700), (76, 53750), (86, 47500), (95, 43000), (100, 40850), (125, 32680), (152, 26875), (172, 23750), (190, 21500), (200, 20425), (215, 19000), (250, 16340), (344, 11875), (380, 10750), (430, 9500), (475, 8600), (500, 8170), (625, 6536), (760, 5375), (817, 5000), (860, 4750), (950, 4300), (1000, 4085), (1075, 3800), (1250, 3268), (1634, 2500), (1720, 2375), (1900, 2150)]