2179940800

素因数分解:

$2^6\times 5^2\times {\mathrm{1362463}}^1$

素因数の和:1362485

約数の個数: 42

約数和(自身を含む): 5364020768

約数和(自身を除く): 3184079968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1362463, 2724926, 5449852, 6812315, 10899704, 13624630, 21799408, 27249260, 34061575, 43598816, 54498520, 68123150, 87197632, 108997040, 136246300, 217994080, 272492600, 435988160, 544985200, 1089970400, 2179940800]

約数ペア:

[(1, 2179940800), (2, 1089970400), (4, 544985200), (5, 435988160), (8, 272492600), (10, 217994080), (16, 136246300), (20, 108997040), (25, 87197632), (32, 68123150), (40, 54498520), (50, 43598816), (64, 34061575), (80, 27249260), (100, 21799408), (160, 13624630), (200, 10899704), (320, 6812315), (400, 5449852), (800, 2724926), (1600, 1362463)]