4967680

素因数分解:

$2^8\times 5^1\times {\mathrm{3881}}^1$

素因数の和:3902

約数の個数: 36

約数和(自身を含む): 11902212

約数和(自身を除く): 6934532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3881, 7762, 15524, 19405, 31048, 38810, 62096, 77620, 124192, 155240, 248384, 310480, 496768, 620960, 993536, 1241920, 2483840, 4967680]

約数ペア:

[(1, 4967680), (2, 2483840), (4, 1241920), (5, 993536), (8, 620960), (10, 496768), (16, 310480), (20, 248384), (32, 155240), (40, 124192), (64, 77620), (80, 62096), (128, 38810), (160, 31048), (256, 19405), (320, 15524), (640, 7762), (1280, 3881)]