3900221440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{380881}}^1$

素因数の和:380908

約数の個数: 48

約数和(自身を含む): 9358270740

約数和(自身を除く): 5458049300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 380881, 761762, 1523524, 1904405, 3047048, 3808810, 6094096, 7617620, 12188192, 15235240, 24376384, 30470480, 48752768, 60940960, 97505536, 121881920, 195011072, 243763840, 390022144, 487527680, 780044288, 975055360, 1950110720, 3900221440]

約数ペア:

[(1, 3900221440), (2, 1950110720), (4, 975055360), (5, 780044288), (8, 487527680), (10, 390022144), (16, 243763840), (20, 195011072), (32, 121881920), (40, 97505536), (64, 60940960), (80, 48752768), (128, 30470480), (160, 24376384), (256, 15235240), (320, 12188192), (512, 7617620), (640, 6094096), (1024, 3808810), (1280, 3047048), (2048, 1904405), (2560, 1523524), (5120, 761762), (10240, 380881)]