2912120180

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{77081}}^1$

素因数の和:78979

約数の個数: 24

約数和(自身を含む): 6118769160

約数和(自身を除く): 3206648980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 7556, 9445, 18890, 37780, 77081, 154162, 308324, 385405, 770810, 1541620, 145606009, 291212018, 582424036, 728030045, 1456060090, 2912120180]

約数ペア:

[(1, 2912120180), (2, 1456060090), (4, 728030045), (5, 582424036), (10, 291212018), (20, 145606009), (1889, 1541620), (3778, 770810), (7556, 385405), (9445, 308324), (18890, 154162), (37780, 77081)]