8201000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 19656000

約数和(自身を除く): 11455000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 139, 200, 236, 250, 278, 295, 472, 500, 556, 590, 695, 1000, 1112, 1180, 1390, 1475, 2360, 2780, 2950, 3475, 5560, 5900, 6950, 7375, 8201, 11800, 13900, 14750, 16402, 17375, 27800, 29500, 32804, 34750, 41005, 59000, 65608, 69500, 82010, 139000, 164020, 205025, 328040, 410050, 820100, 1025125, 1640200, 2050250, 4100500, 8201000]

約数ペア:

[(1, 8201000), (2, 4100500), (4, 2050250), (5, 1640200), (8, 1025125), (10, 820100), (20, 410050), (25, 328040), (40, 205025), (50, 164020), (59, 139000), (100, 82010), (118, 69500), (125, 65608), (139, 59000), (200, 41005), (236, 34750), (250, 32804), (278, 29500), (295, 27800), (472, 17375), (500, 16402), (556, 14750), (590, 13900), (695, 11800), (1000, 8201), (1112, 7375), (1180, 6950), (1390, 5900), (1475, 5560), (2360, 3475), (2780, 2950)]