63939740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 138184704

約数和(自身を除く): 74244964

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 251, 271, 470, 502, 542, 940, 1004, 1084, 1255, 1355, 2510, 2710, 5020, 5420, 11797, 12737, 23594, 25474, 47188, 50948, 58985, 63685, 68021, 117970, 127370, 136042, 235940, 254740, 272084, 340105, 680210, 1360420, 3196987, 6393974, 12787948, 15984935, 31969870, 63939740]

約数ペア:

[(1, 63939740), (2, 31969870), (4, 15984935), (5, 12787948), (10, 6393974), (20, 3196987), (47, 1360420), (94, 680210), (188, 340105), (235, 272084), (251, 254740), (271, 235940), (470, 136042), (502, 127370), (542, 117970), (940, 68021), (1004, 63685), (1084, 58985), (1255, 50948), (1355, 47188), (2510, 25474), (2710, 23594), (5020, 12737), (5420, 11797)]