8945440

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 24796800

約数和(自身を除く): 15851360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 163, 196, 224, 245, 280, 326, 343, 392, 490, 560, 652, 686, 784, 815, 980, 1120, 1141, 1304, 1372, 1568, 1630, 1715, 1960, 2282, 2608, 2744, 3260, 3430, 3920, 4564, 5216, 5488, 5705, 6520, 6860, 7840, 7987, 9128, 10976, 11410, 13040, 13720, 15974, 18256, 22820, 26080, 27440, 31948, 36512, 39935, 45640, 54880, 55909, 63896, 79870, 91280, 111818, 127792, 159740, 182560, 223636, 255584, 279545, 319480, 447272, 559090, 638960, 894544, 1118180, 1277920, 1789088, 2236360, 4472720, 8945440]

約数ペア:

[(1, 8945440), (2, 4472720), (4, 2236360), (5, 1789088), (7, 1277920), (8, 1118180), (10, 894544), (14, 638960), (16, 559090), (20, 447272), (28, 319480), (32, 279545), (35, 255584), (40, 223636), (49, 182560), (56, 159740), (70, 127792), (80, 111818), (98, 91280), (112, 79870), (140, 63896), (160, 55909), (163, 54880), (196, 45640), (224, 39935), (245, 36512), (280, 31948), (326, 27440), (343, 26080), (392, 22820), (490, 18256), (560, 15974), (652, 13720), (686, 13040), (784, 11410), (815, 10976), (980, 9128), (1120, 7987), (1141, 7840), (1304, 6860), (1372, 6520), (1568, 5705), (1630, 5488), (1715, 5216), (1960, 4564), (2282, 3920), (2608, 3430), (2744, 3260)]