40217680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26459}}^1$

素因数の和:26491

約数の個数: 40

約数和(自身を含む): 98431200

約数和(自身を除く): 58213520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26459, 52918, 105836, 132295, 211672, 264590, 423344, 502721, 529180, 1005442, 1058360, 2010884, 2116720, 2513605, 4021768, 5027210, 8043536, 10054420, 20108840, 40217680]

約数ペア:

[(1, 40217680), (2, 20108840), (4, 10054420), (5, 8043536), (8, 5027210), (10, 4021768), (16, 2513605), (19, 2116720), (20, 2010884), (38, 1058360), (40, 1005442), (76, 529180), (80, 502721), (95, 423344), (152, 264590), (190, 211672), (304, 132295), (380, 105836), (760, 52918), (1520, 26459)]