72819520

素因数分解:

$2^6\times 5^1\times {\mathrm{227561}}^1$

素因数の和:227578

約数の個数: 28

約数和(自身を含む): 173402244

約数和(自身を除く): 100582724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 227561, 455122, 910244, 1137805, 1820488, 2275610, 3640976, 4551220, 7281952, 9102440, 14563904, 18204880, 36409760, 72819520]

約数ペア:

[(1, 72819520), (2, 36409760), (4, 18204880), (5, 14563904), (8, 9102440), (10, 7281952), (16, 4551220), (20, 3640976), (32, 2275610), (40, 1820488), (64, 1137805), (80, 910244), (160, 455122), (320, 227561)]