65259440

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2903}}^1$

素因数の和:3197

約数の個数: 40

約数和(自身を含む): 152320608

約数和(自身を除く): 87061168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 2903, 4496, 5620, 5806, 11240, 11612, 14515, 22480, 23224, 29030, 46448, 58060, 116120, 232240, 815743, 1631486, 3262972, 4078715, 6525944, 8157430, 13051888, 16314860, 32629720, 65259440]

約数ペア:

[(1, 65259440), (2, 32629720), (4, 16314860), (5, 13051888), (8, 8157430), (10, 6525944), (16, 4078715), (20, 3262972), (40, 1631486), (80, 815743), (281, 232240), (562, 116120), (1124, 58060), (1405, 46448), (2248, 29030), (2810, 23224), (2903, 22480), (4496, 14515), (5620, 11612), (5806, 11240)]