16402000

素因数分解:

$2^4\times 5^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 40622400

約数和(自身を除く): 24220400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 125, 139, 200, 236, 250, 278, 295, 400, 472, 500, 556, 590, 695, 944, 1000, 1112, 1180, 1390, 1475, 2000, 2224, 2360, 2780, 2950, 3475, 4720, 5560, 5900, 6950, 7375, 8201, 11120, 11800, 13900, 14750, 16402, 17375, 23600, 27800, 29500, 32804, 34750, 41005, 55600, 59000, 65608, 69500, 82010, 118000, 131216, 139000, 164020, 205025, 278000, 328040, 410050, 656080, 820100, 1025125, 1640200, 2050250, 3280400, 4100500, 8201000, 16402000]

約数ペア:

[(1, 16402000), (2, 8201000), (4, 4100500), (5, 3280400), (8, 2050250), (10, 1640200), (16, 1025125), (20, 820100), (25, 656080), (40, 410050), (50, 328040), (59, 278000), (80, 205025), (100, 164020), (118, 139000), (125, 131216), (139, 118000), (200, 82010), (236, 69500), (250, 65608), (278, 59000), (295, 55600), (400, 41005), (472, 34750), (500, 32804), (556, 29500), (590, 27800), (695, 23600), (944, 17375), (1000, 16402), (1112, 14750), (1180, 13900), (1390, 11800), (1475, 11120), (2000, 8201), (2224, 7375), (2360, 6950), (2780, 5900), (2950, 5560), (3475, 4720)]