8906000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 80

約数和(自身を含む): 22187568

約数和(自身を除く): 13281568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 73, 80, 100, 122, 125, 146, 200, 244, 250, 292, 305, 365, 400, 488, 500, 584, 610, 730, 976, 1000, 1168, 1220, 1460, 1525, 1825, 2000, 2440, 2920, 3050, 3650, 4453, 4880, 5840, 6100, 7300, 7625, 8906, 9125, 12200, 14600, 15250, 17812, 18250, 22265, 24400, 29200, 30500, 35624, 36500, 44530, 61000, 71248, 73000, 89060, 111325, 122000, 146000, 178120, 222650, 356240, 445300, 556625, 890600, 1113250, 1781200, 2226500, 4453000, 8906000]

約数ペア:

[(1, 8906000), (2, 4453000), (4, 2226500), (5, 1781200), (8, 1113250), (10, 890600), (16, 556625), (20, 445300), (25, 356240), (40, 222650), (50, 178120), (61, 146000), (73, 122000), (80, 111325), (100, 89060), (122, 73000), (125, 71248), (146, 61000), (200, 44530), (244, 36500), (250, 35624), (292, 30500), (305, 29200), (365, 24400), (400, 22265), (488, 18250), (500, 17812), (584, 15250), (610, 14600), (730, 12200), (976, 9125), (1000, 8906), (1168, 7625), (1220, 7300), (1460, 6100), (1525, 5840), (1825, 4880), (2000, 4453), (2440, 3650), (2920, 3050)]