1319101040

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{185267}}^1$

素因数の和:185369

約数の個数: 40

約数和(自身を含む): 3101386320

約数和(自身を除く): 1782285280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 185267, 370534, 741068, 926335, 1482136, 1852670, 2964272, 3705340, 7410680, 14821360, 16488763, 32977526, 65955052, 82443815, 131910104, 164887630, 263820208, 329775260, 659550520, 1319101040]

約数ペア:

[(1, 1319101040), (2, 659550520), (4, 329775260), (5, 263820208), (8, 164887630), (10, 131910104), (16, 82443815), (20, 65955052), (40, 32977526), (80, 16488763), (89, 14821360), (178, 7410680), (356, 3705340), (445, 2964272), (712, 1852670), (890, 1482136), (1424, 926335), (1780, 741068), (3560, 370534), (7120, 185267)]