25380280

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{929}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 57250800

約数和(自身を除く): 31870520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 929, 1366, 1858, 2732, 3415, 3716, 4645, 5464, 6830, 7432, 9290, 13660, 18580, 27320, 37160, 634507, 1269014, 2538028, 3172535, 5076056, 6345070, 12690140, 25380280]

約数ペア:

[(1, 25380280), (2, 12690140), (4, 6345070), (5, 5076056), (8, 3172535), (10, 2538028), (20, 1269014), (40, 634507), (683, 37160), (929, 27320), (1366, 18580), (1858, 13660), (2732, 9290), (3415, 7432), (3716, 6830), (4645, 5464)]