38961220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24659}}^1$

素因数の和:24747

約数の個数: 24

約数和(自身を含む): 82857600

約数和(自身を除く): 43896380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 24659, 49318, 98636, 123295, 246590, 493180, 1948061, 3896122, 7792244, 9740305, 19480610, 38961220]

約数ペア:

[(1, 38961220), (2, 19480610), (4, 9740305), (5, 7792244), (10, 3896122), (20, 1948061), (79, 493180), (158, 246590), (316, 123295), (395, 98636), (790, 49318), (1580, 24659)]