1138924880

素因数分解:

$2^4\times 5^1\times {\mathrm{14236561}}^1$

素因数の和:14236574

約数の個数: 20

約数和(自身を含む): 2648000532

約数和(自身を除く): 1509075652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 14236561, 28473122, 56946244, 71182805, 113892488, 142365610, 227784976, 284731220, 569462440, 1138924880]

約数ペア:

[(1, 1138924880), (2, 569462440), (4, 284731220), (5, 227784976), (8, 142365610), (10, 113892488), (16, 71182805), (20, 56946244), (40, 28473122), (80, 14236561)]