15220000

素因数分解:

$2^5\times 5^4\times {\mathrm{761}}^1$

素因数の和:791

約数の個数: 60

約数和(自身を含む): 37492686

約数和(自身を除く): 22272686

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 761, 800, 1000, 1250, 1522, 2000, 2500, 3044, 3805, 4000, 5000, 6088, 7610, 10000, 12176, 15220, 19025, 20000, 24352, 30440, 38050, 60880, 76100, 95125, 121760, 152200, 190250, 304400, 380500, 475625, 608800, 761000, 951250, 1522000, 1902500, 3044000, 3805000, 7610000, 15220000]

約数ペア:

[(1, 15220000), (2, 7610000), (4, 3805000), (5, 3044000), (8, 1902500), (10, 1522000), (16, 951250), (20, 761000), (25, 608800), (32, 475625), (40, 380500), (50, 304400), (80, 190250), (100, 152200), (125, 121760), (160, 95125), (200, 76100), (250, 60880), (400, 38050), (500, 30440), (625, 24352), (761, 20000), (800, 19025), (1000, 15220), (1250, 12176), (1522, 10000), (2000, 7610), (2500, 6088), (3044, 5000), (3805, 4000)]