142730680

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4253}}^1$

素因数の和:5103

約数の個数: 32

約数和(自身を含む): 321602400

約数和(自身を除く): 178871720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 4253, 6712, 8390, 8506, 16780, 17012, 21265, 33560, 34024, 42530, 85060, 170120, 3568267, 7136534, 14273068, 17841335, 28546136, 35682670, 71365340, 142730680]

約数ペア:

[(1, 142730680), (2, 71365340), (4, 35682670), (5, 28546136), (8, 17841335), (10, 14273068), (20, 7136534), (40, 3568267), (839, 170120), (1678, 85060), (3356, 42530), (4195, 34024), (4253, 33560), (6712, 21265), (8390, 17012), (8506, 16780)]