13345000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 33317460

約数和(自身を除く): 19972460

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 157, 170, 200, 250, 314, 340, 425, 500, 625, 628, 680, 785, 850, 1000, 1250, 1256, 1570, 1700, 2125, 2500, 2669, 3140, 3400, 3925, 4250, 5000, 5338, 6280, 7850, 8500, 10625, 10676, 13345, 15700, 17000, 19625, 21250, 21352, 26690, 31400, 39250, 42500, 53380, 66725, 78500, 85000, 98125, 106760, 133450, 157000, 196250, 266900, 333625, 392500, 533800, 667250, 785000, 1334500, 1668125, 2669000, 3336250, 6672500, 13345000]

約数ペア:

[(1, 13345000), (2, 6672500), (4, 3336250), (5, 2669000), (8, 1668125), (10, 1334500), (17, 785000), (20, 667250), (25, 533800), (34, 392500), (40, 333625), (50, 266900), (68, 196250), (85, 157000), (100, 133450), (125, 106760), (136, 98125), (157, 85000), (170, 78500), (200, 66725), (250, 53380), (314, 42500), (340, 39250), (425, 31400), (500, 26690), (625, 21352), (628, 21250), (680, 19625), (785, 17000), (850, 15700), (1000, 13345), (1250, 10676), (1256, 10625), (1570, 8500), (1700, 7850), (2125, 6280), (2500, 5338), (2669, 5000), (3140, 4250), (3400, 3925)]