55455560

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1907}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 125012160

約数和(自身を除く): 69556600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 1907, 2908, 3635, 3814, 5816, 7270, 7628, 9535, 14540, 15256, 19070, 29080, 38140, 76280, 1386389, 2772778, 5545556, 6931945, 11091112, 13863890, 27727780, 55455560]

約数ペア:

[(1, 55455560), (2, 27727780), (4, 13863890), (5, 11091112), (8, 6931945), (10, 5545556), (20, 2772778), (40, 1386389), (727, 76280), (1454, 38140), (1907, 29080), (2908, 19070), (3635, 15256), (3814, 14540), (5816, 9535), (7270, 7628)]