55638520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28387}}^1$

素因数の和:28412

約数の個数: 48

約数和(自身を含む): 145630440

約数和(自身を除く): 89991920

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, 28387, 56774, 113548, 141935, 198709, 227096, 283870, 397418, 567740, 794836, 993545, 1135480, 1390963, 1589672, 1987090, 2781926, 3974180, 5563852, 6954815, 7948360, 11127704, 13909630, 27819260, 55638520]

約数ペア:

[(1, 55638520), (2, 27819260), (4, 13909630), (5, 11127704), (7, 7948360), (8, 6954815), (10, 5563852), (14, 3974180), (20, 2781926), (28, 1987090), (35, 1589672), (40, 1390963), (49, 1135480), (56, 993545), (70, 794836), (98, 567740), (140, 397418), (196, 283870), (245, 227096), (280, 198709), (392, 141935), (490, 113548), (980, 56774), (1960, 28387)]