78385240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{52963}}^1$

素因数の和:53011

約数の個数: 32

約数和(自身を含む): 181136880

約数和(自身を除く): 102751640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 52963, 105926, 211852, 264815, 423704, 529630, 1059260, 1959631, 2118520, 3919262, 7838524, 9798155, 15677048, 19596310, 39192620, 78385240]

約数ペア:

[(1, 78385240), (2, 39192620), (4, 19596310), (5, 15677048), (8, 9798155), (10, 7838524), (20, 3919262), (37, 2118520), (40, 1959631), (74, 1059260), (148, 529630), (185, 423704), (296, 264815), (370, 211852), (740, 105926), (1480, 52963)]