2555840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{163}}^1$

素因数の和:194

約数の個数: 84

約数和(自身を含む): 7123176

約数和(自身を除く): 4567336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 163, 196, 224, 245, 280, 320, 326, 392, 448, 490, 560, 652, 784, 815, 980, 1120, 1141, 1304, 1568, 1630, 1960, 2240, 2282, 2608, 3136, 3260, 3920, 4564, 5216, 5705, 6520, 7840, 7987, 9128, 10432, 11410, 13040, 15680, 15974, 18256, 22820, 26080, 31948, 36512, 39935, 45640, 52160, 63896, 73024, 79870, 91280, 127792, 159740, 182560, 255584, 319480, 365120, 511168, 638960, 1277920, 2555840]

約数ペア:

[(1, 2555840), (2, 1277920), (4, 638960), (5, 511168), (7, 365120), (8, 319480), (10, 255584), (14, 182560), (16, 159740), (20, 127792), (28, 91280), (32, 79870), (35, 73024), (40, 63896), (49, 52160), (56, 45640), (64, 39935), (70, 36512), (80, 31948), (98, 26080), (112, 22820), (140, 18256), (160, 15974), (163, 15680), (196, 13040), (224, 11410), (245, 10432), (280, 9128), (320, 7987), (326, 7840), (392, 6520), (448, 5705), (490, 5216), (560, 4564), (652, 3920), (784, 3260), (815, 3136), (980, 2608), (1120, 2282), (1141, 2240), (1304, 1960), (1568, 1630)]