77988340

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{12301}}^1$

素因数の和:12627

約数の個数: 24

約数和(自身を含む): 164305512

約数和(自身を除く): 86317172

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 12301, 24602, 49204, 61505, 123010, 246020, 3899417, 7798834, 15597668, 19497085, 38994170, 77988340]

約数ペア:

[(1, 77988340), (2, 38994170), (4, 19497085), (5, 15597668), (10, 7798834), (20, 3899417), (317, 246020), (634, 123010), (1268, 61505), (1585, 49204), (3170, 24602), (6340, 12301)]