81992000

素因数分解:

$2^6\times 5^3\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 112

約数和(自身を含む): 209293968

約数和(自身を除く): 127301968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 148, 160, 185, 200, 250, 277, 296, 320, 370, 400, 500, 554, 592, 740, 800, 925, 1000, 1108, 1184, 1385, 1480, 1600, 1850, 2000, 2216, 2368, 2770, 2960, 3700, 4000, 4432, 4625, 5540, 5920, 6925, 7400, 8000, 8864, 9250, 10249, 11080, 11840, 13850, 14800, 17728, 18500, 20498, 22160, 27700, 29600, 34625, 37000, 40996, 44320, 51245, 55400, 59200, 69250, 74000, 81992, 88640, 102490, 110800, 138500, 148000, 163984, 204980, 221600, 256225, 277000, 296000, 327968, 409960, 443200, 512450, 554000, 655936, 819920, 1024900, 1108000, 1281125, 1639840, 2049800, 2216000, 2562250, 3279680, 4099600, 5124500, 8199200, 10249000, 16398400, 20498000, 40996000, 81992000]

約数ペア:

[(1, 81992000), (2, 40996000), (4, 20498000), (5, 16398400), (8, 10249000), (10, 8199200), (16, 5124500), (20, 4099600), (25, 3279680), (32, 2562250), (37, 2216000), (40, 2049800), (50, 1639840), (64, 1281125), (74, 1108000), (80, 1024900), (100, 819920), (125, 655936), (148, 554000), (160, 512450), (185, 443200), (200, 409960), (250, 327968), (277, 296000), (296, 277000), (320, 256225), (370, 221600), (400, 204980), (500, 163984), (554, 148000), (592, 138500), (740, 110800), (800, 102490), (925, 88640), (1000, 81992), (1108, 74000), (1184, 69250), (1385, 59200), (1480, 55400), (1600, 51245), (1850, 44320), (2000, 40996), (2216, 37000), (2368, 34625), (2770, 29600), (2960, 27700), (3700, 22160), (4000, 20498), (4432, 18500), (4625, 17728), (5540, 14800), (5920, 13850), (6925, 11840), (7400, 11080), (8000, 10249), (8864, 9250)]