1686019840

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8081}}^1$

素因数の和:8265

約数の個数: 72

約数和(自身を含む): 4063823568

約数和(自身を除く): 2377803728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 640, 652, 815, 1280, 1304, 1630, 2608, 3260, 5216, 6520, 8081, 10432, 13040, 16162, 20864, 26080, 32324, 40405, 41728, 52160, 64648, 80810, 104320, 129296, 161620, 208640, 258592, 323240, 517184, 646480, 1034368, 1292960, 1317203, 2068736, 2585920, 2634406, 5171840, 5268812, 6586015, 10343680, 10537624, 13172030, 21075248, 26344060, 42150496, 52688120, 84300992, 105376240, 168601984, 210752480, 337203968, 421504960, 843009920, 1686019840]

約数ペア:

[(1, 1686019840), (2, 843009920), (4, 421504960), (5, 337203968), (8, 210752480), (10, 168601984), (16, 105376240), (20, 84300992), (32, 52688120), (40, 42150496), (64, 26344060), (80, 21075248), (128, 13172030), (160, 10537624), (163, 10343680), (256, 6586015), (320, 5268812), (326, 5171840), (640, 2634406), (652, 2585920), (815, 2068736), (1280, 1317203), (1304, 1292960), (1630, 1034368), (2608, 646480), (3260, 517184), (5216, 323240), (6520, 258592), (8081, 208640), (10432, 161620), (13040, 129296), (16162, 104320), (20864, 80810), (26080, 64648), (32324, 52160), (40405, 41728)]