12817040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 30051648

約数和(自身を除く): 17234608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1223, 1310, 2096, 2446, 2620, 4892, 5240, 6115, 9784, 10480, 12230, 19568, 24460, 48920, 97840, 160213, 320426, 640852, 801065, 1281704, 1602130, 2563408, 3204260, 6408520, 12817040]

約数ペア:

[(1, 12817040), (2, 6408520), (4, 3204260), (5, 2563408), (8, 1602130), (10, 1281704), (16, 801065), (20, 640852), (40, 320426), (80, 160213), (131, 97840), (262, 48920), (524, 24460), (655, 19568), (1048, 12230), (1223, 10480), (1310, 9784), (2096, 6115), (2446, 5240), (2620, 4892)]