19560520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69859}}^1$

素因数の和:69877

約数の個数: 32

約数和(自身を含む): 50299200

約数和(自身を除く): 30738680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69859, 139718, 279436, 349295, 489013, 558872, 698590, 978026, 1397180, 1956052, 2445065, 2794360, 3912104, 4890130, 9780260, 19560520]

約数ペア:

[(1, 19560520), (2, 9780260), (4, 4890130), (5, 3912104), (7, 2794360), (8, 2445065), (10, 1956052), (14, 1397180), (20, 978026), (28, 698590), (35, 558872), (40, 489013), (56, 349295), (70, 279436), (140, 139718), (280, 69859)]