8642000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 21762000

約数和(自身を除く): 13120000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 149, 200, 232, 250, 290, 298, 400, 464, 500, 580, 596, 725, 745, 1000, 1160, 1192, 1450, 1490, 2000, 2320, 2384, 2900, 2980, 3625, 3725, 4321, 5800, 5960, 7250, 7450, 8642, 11600, 11920, 14500, 14900, 17284, 18625, 21605, 29000, 29800, 34568, 37250, 43210, 58000, 59600, 69136, 74500, 86420, 108025, 149000, 172840, 216050, 298000, 345680, 432100, 540125, 864200, 1080250, 1728400, 2160500, 4321000, 8642000]

約数ペア:

[(1, 8642000), (2, 4321000), (4, 2160500), (5, 1728400), (8, 1080250), (10, 864200), (16, 540125), (20, 432100), (25, 345680), (29, 298000), (40, 216050), (50, 172840), (58, 149000), (80, 108025), (100, 86420), (116, 74500), (125, 69136), (145, 59600), (149, 58000), (200, 43210), (232, 37250), (250, 34568), (290, 29800), (298, 29000), (400, 21605), (464, 18625), (500, 17284), (580, 14900), (596, 14500), (725, 11920), (745, 11600), (1000, 8642), (1160, 7450), (1192, 7250), (1450, 5960), (1490, 5800), (2000, 4321), (2320, 3725), (2384, 3625), (2900, 2980)]