28392560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7243}}^1$

素因数の和:7270

約数の個数: 60

約数和(自身を含む): 76800888

約数和(自身を除く): 48408328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7243, 14486, 28972, 36215, 50701, 57944, 72430, 101402, 115888, 144860, 202804, 253505, 289720, 354907, 405608, 507010, 579440, 709814, 811216, 1014020, 1419628, 1774535, 2028040, 2839256, 3549070, 4056080, 5678512, 7098140, 14196280, 28392560]

約数ペア:

[(1, 28392560), (2, 14196280), (4, 7098140), (5, 5678512), (7, 4056080), (8, 3549070), (10, 2839256), (14, 2028040), (16, 1774535), (20, 1419628), (28, 1014020), (35, 811216), (40, 709814), (49, 579440), (56, 507010), (70, 405608), (80, 354907), (98, 289720), (112, 253505), (140, 202804), (196, 144860), (245, 115888), (280, 101402), (392, 72430), (490, 57944), (560, 50701), (784, 36215), (980, 28972), (1960, 14486), (3920, 7243)]