61691720

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2087}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 139060800

約数和(自身を除く): 77369080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2087, 2956, 3695, 4174, 5912, 7390, 8348, 10435, 14780, 16696, 20870, 29560, 41740, 83480, 1542293, 3084586, 6169172, 7711465, 12338344, 15422930, 30845860, 61691720]

約数ペア:

[(1, 61691720), (2, 30845860), (4, 15422930), (5, 12338344), (8, 7711465), (10, 6169172), (20, 3084586), (40, 1542293), (739, 83480), (1478, 41740), (2087, 29560), (2956, 20870), (3695, 16696), (4174, 14780), (5912, 10435), (7390, 8348)]