13100000

素因数分解:

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

素因数の和:166

約数の個数: 72

約数和(自身を含む): 32482296

約数和(自身を除く): 19382296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 131, 160, 200, 250, 262, 400, 500, 524, 625, 655, 800, 1000, 1048, 1250, 1310, 2000, 2096, 2500, 2620, 3125, 3275, 4000, 4192, 5000, 5240, 6250, 6550, 10000, 10480, 12500, 13100, 16375, 20000, 20960, 25000, 26200, 32750, 50000, 52400, 65500, 81875, 100000, 104800, 131000, 163750, 262000, 327500, 409375, 524000, 655000, 818750, 1310000, 1637500, 2620000, 3275000, 6550000, 13100000]

約数ペア:

[(1, 13100000), (2, 6550000), (4, 3275000), (5, 2620000), (8, 1637500), (10, 1310000), (16, 818750), (20, 655000), (25, 524000), (32, 409375), (40, 327500), (50, 262000), (80, 163750), (100, 131000), (125, 104800), (131, 100000), (160, 81875), (200, 65500), (250, 52400), (262, 50000), (400, 32750), (500, 26200), (524, 25000), (625, 20960), (655, 20000), (800, 16375), (1000, 13100), (1048, 12500), (1250, 10480), (1310, 10000), (2000, 6550), (2096, 6250), (2500, 5240), (2620, 5000), (3125, 4192), (3275, 4000)]