1670000

素因数分解:

$2^4\times 5^4\times {\mathrm{167}}^1$

素因数の和:195

約数の個数: 50

約数和(自身を含む): 4067448

約数和(自身を除く): 2397448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 167, 200, 250, 334, 400, 500, 625, 668, 835, 1000, 1250, 1336, 1670, 2000, 2500, 2672, 3340, 4175, 5000, 6680, 8350, 10000, 13360, 16700, 20875, 33400, 41750, 66800, 83500, 104375, 167000, 208750, 334000, 417500, 835000, 1670000]

約数ペア:

[(1, 1670000), (2, 835000), (4, 417500), (5, 334000), (8, 208750), (10, 167000), (16, 104375), (20, 83500), (25, 66800), (40, 41750), (50, 33400), (80, 20875), (100, 16700), (125, 13360), (167, 10000), (200, 8350), (250, 6680), (334, 5000), (400, 4175), (500, 3340), (625, 2672), (668, 2500), (835, 2000), (1000, 1670), (1250, 1336)]