79158520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40387}}^1$

素因数の和:40412

約数の個数: 48

約数和(自身を含む): 207190440

約数和(自身を除く): 128031920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40387, 80774, 161548, 201935, 282709, 323096, 403870, 565418, 807740, 1130836, 1413545, 1615480, 1978963, 2261672, 2827090, 3957926, 5654180, 7915852, 9894815, 11308360, 15831704, 19789630, 39579260, 79158520]

約数ペア:

[(1, 79158520), (2, 39579260), (4, 19789630), (5, 15831704), (7, 11308360), (8, 9894815), (10, 7915852), (14, 5654180), (20, 3957926), (28, 2827090), (35, 2261672), (40, 1978963), (49, 1615480), (56, 1413545), (70, 1130836), (98, 807740), (140, 565418), (196, 403870), (245, 323096), (280, 282709), (392, 201935), (490, 161548), (980, 80774), (1960, 40387)]