26690000

素因数分解:

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

素因数の和:202

約数の個数: 100

約数和(自身を含む): 68856084

約数和(自身を除く): 42166084

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 157, 170, 200, 250, 272, 314, 340, 400, 425, 500, 625, 628, 680, 785, 850, 1000, 1250, 1256, 1360, 1570, 1700, 2000, 2125, 2500, 2512, 2669, 3140, 3400, 3925, 4250, 5000, 5338, 6280, 6800, 7850, 8500, 10000, 10625, 10676, 12560, 13345, 15700, 17000, 19625, 21250, 21352, 26690, 31400, 34000, 39250, 42500, 42704, 53380, 62800, 66725, 78500, 85000, 98125, 106760, 133450, 157000, 170000, 196250, 213520, 266900, 314000, 333625, 392500, 533800, 667250, 785000, 1067600, 1334500, 1570000, 1668125, 2669000, 3336250, 5338000, 6672500, 13345000, 26690000]

約数ペア:

[(1, 26690000), (2, 13345000), (4, 6672500), (5, 5338000), (8, 3336250), (10, 2669000), (16, 1668125), (17, 1570000), (20, 1334500), (25, 1067600), (34, 785000), (40, 667250), (50, 533800), (68, 392500), (80, 333625), (85, 314000), (100, 266900), (125, 213520), (136, 196250), (157, 170000), (170, 157000), (200, 133450), (250, 106760), (272, 98125), (314, 85000), (340, 78500), (400, 66725), (425, 62800), (500, 53380), (625, 42704), (628, 42500), (680, 39250), (785, 34000), (850, 31400), (1000, 26690), (1250, 21352), (1256, 21250), (1360, 19625), (1570, 17000), (1700, 15700), (2000, 13345), (2125, 12560), (2500, 10676), (2512, 10625), (2669, 10000), (3140, 8500), (3400, 7850), (3925, 6800), (4250, 6280), (5000, 5338)]