56821480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83561}}^1$

素因数の和:83589

約数の個数: 32

約数和(自身を含む): 135370440

約数和(自身を除く): 78548960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 83561, 167122, 334244, 417805, 668488, 835610, 1420537, 1671220, 2841074, 3342440, 5682148, 7102685, 11364296, 14205370, 28410740, 56821480]

約数ペア:

[(1, 56821480), (2, 28410740), (4, 14205370), (5, 11364296), (8, 7102685), (10, 5682148), (17, 3342440), (20, 2841074), (34, 1671220), (40, 1420537), (68, 835610), (85, 668488), (136, 417805), (170, 334244), (340, 167122), (680, 83561)]