129643840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21323}}^1$

素因数の和:21359

約数の個数: 56

約数和(自身を含む): 324977760

約数和(自身を除く): 195333920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 21323, 42646, 85292, 106615, 170584, 213230, 341168, 405137, 426460, 682336, 810274, 852920, 1364672, 1620548, 1705840, 2025685, 3241096, 3411680, 4051370, 6482192, 6823360, 8102740, 12964384, 16205480, 25928768, 32410960, 64821920, 129643840]

約数ペア:

[(1, 129643840), (2, 64821920), (4, 32410960), (5, 25928768), (8, 16205480), (10, 12964384), (16, 8102740), (19, 6823360), (20, 6482192), (32, 4051370), (38, 3411680), (40, 3241096), (64, 2025685), (76, 1705840), (80, 1620548), (95, 1364672), (152, 852920), (160, 810274), (190, 682336), (304, 426460), (320, 405137), (380, 341168), (608, 213230), (760, 170584), (1216, 106615), (1520, 85292), (3040, 42646), (6080, 21323)]