79827760

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2273}}^1$

素因数の和:2725

約数の個数: 40

約数和(自身を含む): 186104160

約数和(自身を除く): 106276400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 2273, 3512, 4390, 4546, 7024, 8780, 9092, 11365, 17560, 18184, 22730, 35120, 36368, 45460, 90920, 181840, 997847, 1995694, 3991388, 4989235, 7982776, 9978470, 15965552, 19956940, 39913880, 79827760]

約数ペア:

[(1, 79827760), (2, 39913880), (4, 19956940), (5, 15965552), (8, 9978470), (10, 7982776), (16, 4989235), (20, 3991388), (40, 1995694), (80, 997847), (439, 181840), (878, 90920), (1756, 45460), (2195, 36368), (2273, 35120), (3512, 22730), (4390, 18184), (4546, 17560), (7024, 11365), (8780, 9092)]