72971660

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{28729}}^1$

素因数の和:28865

約数の個数: 24

約数和(自身を含む): 154452480

約数和(自身を除く): 81480820

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 28729, 57458, 114916, 143645, 287290, 574580, 3648583, 7297166, 14594332, 18242915, 36485830, 72971660]

約数ペア:

[(1, 72971660), (2, 36485830), (4, 18242915), (5, 14594332), (10, 7297166), (20, 3648583), (127, 574580), (254, 287290), (508, 143645), (635, 114916), (1270, 57458), (2540, 28729)]