6550000

素因数分解:

$2^4\times 5^5\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 15983352

約数和(自身を除く): 9433352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 400, 500, 524, 625, 655, 1000, 1048, 1250, 1310, 2000, 2096, 2500, 2620, 3125, 3275, 5000, 5240, 6250, 6550, 10000, 10480, 12500, 13100, 16375, 25000, 26200, 32750, 50000, 52400, 65500, 81875, 131000, 163750, 262000, 327500, 409375, 655000, 818750, 1310000, 1637500, 3275000, 6550000]

約数ペア:

[(1, 6550000), (2, 3275000), (4, 1637500), (5, 1310000), (8, 818750), (10, 655000), (16, 409375), (20, 327500), (25, 262000), (40, 163750), (50, 131000), (80, 81875), (100, 65500), (125, 52400), (131, 50000), (200, 32750), (250, 26200), (262, 25000), (400, 16375), (500, 13100), (524, 12500), (625, 10480), (655, 10000), (1000, 6550), (1048, 6250), (1250, 5240), (1310, 5000), (2000, 3275), (2096, 3125), (2500, 2620)]