13781200

素因数分解:

$2^4\times 5^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:412

約数の個数: 60

約数和(自身を含む): 33488928

約数和(自身を除く): 19707728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 131, 200, 262, 263, 400, 524, 526, 655, 1048, 1052, 1310, 1315, 2096, 2104, 2620, 2630, 3275, 4208, 5240, 5260, 6550, 6575, 10480, 10520, 13100, 13150, 21040, 26200, 26300, 34453, 52400, 52600, 68906, 105200, 137812, 172265, 275624, 344530, 551248, 689060, 861325, 1378120, 1722650, 2756240, 3445300, 6890600, 13781200]

約数ペア:

[(1, 13781200), (2, 6890600), (4, 3445300), (5, 2756240), (8, 1722650), (10, 1378120), (16, 861325), (20, 689060), (25, 551248), (40, 344530), (50, 275624), (80, 172265), (100, 137812), (131, 105200), (200, 68906), (262, 52600), (263, 52400), (400, 34453), (524, 26300), (526, 26200), (655, 21040), (1048, 13150), (1052, 13100), (1310, 10520), (1315, 10480), (2096, 6575), (2104, 6550), (2620, 5260), (2630, 5240), (3275, 4208)]