78440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 184680

約数和(自身を除く): 106240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1480, 1961, 2120, 3922, 7844, 9805, 15688, 19610, 39220, 78440]

約数ペア:

[(1, 78440), (2, 39220), (4, 19610), (5, 15688), (8, 9805), (10, 7844), (20, 3922), (37, 2120), (40, 1961), (53, 1480), (74, 1060), (106, 740), (148, 530), (185, 424), (212, 370), (265, 296)]