80422480

素因数分解:

$2^4\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1321}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 187369704

約数和(自身を除く): 106947224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 761, 1321, 1522, 2642, 3044, 3805, 5284, 6088, 6605, 7610, 10568, 12176, 13210, 15220, 21136, 26420, 30440, 52840, 60880, 105680, 1005281, 2010562, 4021124, 5026405, 8042248, 10052810, 16084496, 20105620, 40211240, 80422480]

約数ペア:

[(1, 80422480), (2, 40211240), (4, 20105620), (5, 16084496), (8, 10052810), (10, 8042248), (16, 5026405), (20, 4021124), (40, 2010562), (80, 1005281), (761, 105680), (1321, 60880), (1522, 52840), (2642, 30440), (3044, 26420), (3805, 21136), (5284, 15220), (6088, 13210), (6605, 12176), (7610, 10568)]