128161040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{228859}}^1$

素因数の和:228879

約数の個数: 40

約数和(自身を含む): 340543680

約数和(自身を除く): 212382640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 228859, 457718, 915436, 1144295, 1602013, 1830872, 2288590, 3204026, 3661744, 4577180, 6408052, 8010065, 9154360, 12816104, 16020130, 18308720, 25632208, 32040260, 64080520, 128161040]

約数ペア:

[(1, 128161040), (2, 64080520), (4, 32040260), (5, 25632208), (7, 18308720), (8, 16020130), (10, 12816104), (14, 9154360), (16, 8010065), (20, 6408052), (28, 4577180), (35, 3661744), (40, 3204026), (56, 2288590), (70, 1830872), (80, 1602013), (112, 1144295), (140, 915436), (280, 457718), (560, 228859)]