790480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 1890504

約数和(自身を除く): 1100024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 241, 328, 410, 482, 656, 820, 964, 1205, 1640, 1928, 2410, 3280, 3856, 4820, 9640, 9881, 19280, 19762, 39524, 49405, 79048, 98810, 158096, 197620, 395240, 790480]

約数ペア:

[(1, 790480), (2, 395240), (4, 197620), (5, 158096), (8, 98810), (10, 79048), (16, 49405), (20, 39524), (40, 19762), (41, 19280), (80, 9881), (82, 9640), (164, 4820), (205, 3856), (241, 3280), (328, 2410), (410, 1928), (482, 1640), (656, 1205), (820, 964)]