2808640

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 56

約数和(自身を含む): 6839712

約数和(自身を除く): 4031072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 131, 134, 160, 262, 268, 320, 335, 524, 536, 655, 670, 1048, 1072, 1310, 1340, 2096, 2144, 2620, 2680, 4192, 4288, 5240, 5360, 8384, 8777, 10480, 10720, 17554, 20960, 21440, 35108, 41920, 43885, 70216, 87770, 140432, 175540, 280864, 351080, 561728, 702160, 1404320, 2808640]

約数ペア:

[(1, 2808640), (2, 1404320), (4, 702160), (5, 561728), (8, 351080), (10, 280864), (16, 175540), (20, 140432), (32, 87770), (40, 70216), (64, 43885), (67, 41920), (80, 35108), (131, 21440), (134, 20960), (160, 17554), (262, 10720), (268, 10480), (320, 8777), (335, 8384), (524, 5360), (536, 5240), (655, 4288), (670, 4192), (1048, 2680), (1072, 2620), (1310, 2144), (1340, 2096)]