82168520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293459}}^1$

素因数の和:293477

約数の個数: 32

約数和(自身を含む): 211291200

約数和(自身を除く): 129122680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293459, 586918, 1173836, 1467295, 2054213, 2347672, 2934590, 4108426, 5869180, 8216852, 10271065, 11738360, 16433704, 20542130, 41084260, 82168520]

約数ペア:

[(1, 82168520), (2, 41084260), (4, 20542130), (5, 16433704), (7, 11738360), (8, 10271065), (10, 8216852), (14, 5869180), (20, 4108426), (28, 2934590), (35, 2347672), (40, 2054213), (56, 1467295), (70, 1173836), (140, 586918), (280, 293459)]