65640520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149183}}^1$

素因数の和:149205

約数の個数: 32

約数和(自身を含む): 161118720

約数和(自身を除く): 95478200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 149183, 298366, 596732, 745915, 1193464, 1491830, 1641013, 2983660, 3282026, 5967320, 6564052, 8205065, 13128104, 16410130, 32820260, 65640520]

約数ペア:

[(1, 65640520), (2, 32820260), (4, 16410130), (5, 13128104), (8, 8205065), (10, 6564052), (11, 5967320), (20, 3282026), (22, 2983660), (40, 1641013), (44, 1491830), (55, 1193464), (88, 745915), (110, 596732), (220, 298366), (440, 149183)]