124257520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19661}}^1$

素因数の和:19753

約数の個数: 40

約数和(自身を含む): 292570560

約数和(自身を除く): 168313040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 19661, 39322, 78644, 98305, 157288, 196610, 314576, 393220, 786440, 1553219, 1572880, 3106438, 6212876, 7766095, 12425752, 15532190, 24851504, 31064380, 62128760, 124257520]

約数ペア:

[(1, 124257520), (2, 62128760), (4, 31064380), (5, 24851504), (8, 15532190), (10, 12425752), (16, 7766095), (20, 6212876), (40, 3106438), (79, 1572880), (80, 1553219), (158, 786440), (316, 393220), (395, 314576), (632, 196610), (790, 157288), (1264, 98305), (1580, 78644), (3160, 39322), (6320, 19661)]