992000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1$

素因数の和:62

約数の個数: 72

約数和(自身を含む): 2550912

約数和(自身を除く): 1558912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 620, 640, 775, 800, 992, 1000, 1240, 1280, 1550, 1600, 1984, 2000, 2480, 3100, 3200, 3875, 3968, 4000, 4960, 6200, 6400, 7750, 7936, 8000, 9920, 12400, 15500, 16000, 19840, 24800, 31000, 32000, 39680, 49600, 62000, 99200, 124000, 198400, 248000, 496000, 992000]

約数ペア:

[(1, 992000), (2, 496000), (4, 248000), (5, 198400), (8, 124000), (10, 99200), (16, 62000), (20, 49600), (25, 39680), (31, 32000), (32, 31000), (40, 24800), (50, 19840), (62, 16000), (64, 15500), (80, 12400), (100, 9920), (124, 8000), (125, 7936), (128, 7750), (155, 6400), (160, 6200), (200, 4960), (248, 4000), (250, 3968), (256, 3875), (310, 3200), (320, 3100), (400, 2480), (496, 2000), (500, 1984), (620, 1600), (640, 1550), (775, 1280), (800, 1240), (992, 1000)]