806000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 80

約数和(自身を含む): 2166528

約数和(自身を除く): 1360528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 200, 208, 248, 250, 260, 310, 325, 400, 403, 496, 500, 520, 620, 650, 775, 806, 1000, 1040, 1240, 1300, 1550, 1612, 1625, 2000, 2015, 2480, 2600, 3100, 3224, 3250, 3875, 4030, 5200, 6200, 6448, 6500, 7750, 8060, 10075, 12400, 13000, 15500, 16120, 20150, 26000, 31000, 32240, 40300, 50375, 62000, 80600, 100750, 161200, 201500, 403000, 806000]

約数ペア:

[(1, 806000), (2, 403000), (4, 201500), (5, 161200), (8, 100750), (10, 80600), (13, 62000), (16, 50375), (20, 40300), (25, 32240), (26, 31000), (31, 26000), (40, 20150), (50, 16120), (52, 15500), (62, 13000), (65, 12400), (80, 10075), (100, 8060), (104, 7750), (124, 6500), (125, 6448), (130, 6200), (155, 5200), (200, 4030), (208, 3875), (248, 3250), (250, 3224), (260, 3100), (310, 2600), (325, 2480), (400, 2015), (403, 2000), (496, 1625), (500, 1612), (520, 1550), (620, 1300), (650, 1240), (775, 1040), (806, 1000)]