871000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:101

約数の個数: 64

約数和(自身を含む): 2227680

約数和(自身を除く): 1356680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 67, 100, 104, 125, 130, 134, 200, 250, 260, 268, 325, 335, 500, 520, 536, 650, 670, 871, 1000, 1300, 1340, 1625, 1675, 1742, 2600, 2680, 3250, 3350, 3484, 4355, 6500, 6700, 6968, 8375, 8710, 13000, 13400, 16750, 17420, 21775, 33500, 34840, 43550, 67000, 87100, 108875, 174200, 217750, 435500, 871000]

約数ペア:

[(1, 871000), (2, 435500), (4, 217750), (5, 174200), (8, 108875), (10, 87100), (13, 67000), (20, 43550), (25, 34840), (26, 33500), (40, 21775), (50, 17420), (52, 16750), (65, 13400), (67, 13000), (100, 8710), (104, 8375), (125, 6968), (130, 6700), (134, 6500), (200, 4355), (250, 3484), (260, 3350), (268, 3250), (325, 2680), (335, 2600), (500, 1742), (520, 1675), (536, 1625), (650, 1340), (670, 1300), (871, 1000)]