53380000

素因数分解:

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

素因数の和:204

約数の個数: 120

約数和(自身を含む): 139933332

約数和(自身を除く): 86553332

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 157, 160, 170, 200, 250, 272, 314, 340, 400, 425, 500, 544, 625, 628, 680, 785, 800, 850, 1000, 1250, 1256, 1360, 1570, 1700, 2000, 2125, 2500, 2512, 2669, 2720, 3140, 3400, 3925, 4000, 4250, 5000, 5024, 5338, 6280, 6800, 7850, 8500, 10000, 10625, 10676, 12560, 13345, 13600, 15700, 17000, 19625, 20000, 21250, 21352, 25120, 26690, 31400, 34000, 39250, 42500, 42704, 53380, 62800, 66725, 68000, 78500, 85000, 85408, 98125, 106760, 125600, 133450, 157000, 170000, 196250, 213520, 266900, 314000, 333625, 340000, 392500, 427040, 533800, 628000, 667250, 785000, 1067600, 1334500, 1570000, 1668125, 2135200, 2669000, 3140000, 3336250, 5338000, 6672500, 10676000, 13345000, 26690000, 53380000]

約数ペア:

[(1, 53380000), (2, 26690000), (4, 13345000), (5, 10676000), (8, 6672500), (10, 5338000), (16, 3336250), (17, 3140000), (20, 2669000), (25, 2135200), (32, 1668125), (34, 1570000), (40, 1334500), (50, 1067600), (68, 785000), (80, 667250), (85, 628000), (100, 533800), (125, 427040), (136, 392500), (157, 340000), (160, 333625), (170, 314000), (200, 266900), (250, 213520), (272, 196250), (314, 170000), (340, 157000), (400, 133450), (425, 125600), (500, 106760), (544, 98125), (625, 85408), (628, 85000), (680, 78500), (785, 68000), (800, 66725), (850, 62800), (1000, 53380), (1250, 42704), (1256, 42500), (1360, 39250), (1570, 34000), (1700, 31400), (2000, 26690), (2125, 25120), (2500, 21352), (2512, 21250), (2669, 20000), (2720, 19625), (3140, 17000), (3400, 15700), (3925, 13600), (4000, 13345), (4250, 12560), (5000, 10676), (5024, 10625), (5338, 10000), (6280, 8500), (6800, 7850)]