9945520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 25435872

約数和(自身を除く): 15490352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 131, 146, 208, 260, 262, 292, 365, 520, 524, 584, 655, 730, 949, 1040, 1048, 1168, 1310, 1460, 1703, 1898, 2096, 2620, 2920, 3406, 3796, 4745, 5240, 5840, 6812, 7592, 8515, 9490, 9563, 10480, 13624, 15184, 17030, 18980, 19126, 27248, 34060, 37960, 38252, 47815, 68120, 75920, 76504, 95630, 124319, 136240, 153008, 191260, 248638, 382520, 497276, 621595, 765040, 994552, 1243190, 1989104, 2486380, 4972760, 9945520]

約数ペア:

[(1, 9945520), (2, 4972760), (4, 2486380), (5, 1989104), (8, 1243190), (10, 994552), (13, 765040), (16, 621595), (20, 497276), (26, 382520), (40, 248638), (52, 191260), (65, 153008), (73, 136240), (80, 124319), (104, 95630), (130, 76504), (131, 75920), (146, 68120), (208, 47815), (260, 38252), (262, 37960), (292, 34060), (365, 27248), (520, 19126), (524, 18980), (584, 17030), (655, 15184), (730, 13624), (949, 10480), (1040, 9563), (1048, 9490), (1168, 8515), (1310, 7592), (1460, 6812), (1703, 5840), (1898, 5240), (2096, 4745), (2620, 3796), (2920, 3406)]