61746640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12653}}^1$

素因数の和:12727

約数の個数: 40

約数和(自身を含む): 145925928

約数和(自身を除く): 84179288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 12653, 25306, 50612, 63265, 101224, 126530, 202448, 253060, 506120, 771833, 1012240, 1543666, 3087332, 3859165, 6174664, 7718330, 12349328, 15436660, 30873320, 61746640]

約数ペア:

[(1, 61746640), (2, 30873320), (4, 15436660), (5, 12349328), (8, 7718330), (10, 6174664), (16, 3859165), (20, 3087332), (40, 1543666), (61, 1012240), (80, 771833), (122, 506120), (244, 253060), (305, 202448), (488, 126530), (610, 101224), (976, 63265), (1220, 50612), (2440, 25306), (4880, 12653)]