163910240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78803}}^1$

素因数の和:78831

約数の個数: 48

約数和(自身を含む): 417030768

約数和(自身を除く): 253120528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 78803, 157606, 315212, 394015, 630424, 788030, 1024439, 1260848, 1576060, 2048878, 2521696, 3152120, 4097756, 5122195, 6304240, 8195512, 10244390, 12608480, 16391024, 20488780, 32782048, 40977560, 81955120, 163910240]

約数ペア:

[(1, 163910240), (2, 81955120), (4, 40977560), (5, 32782048), (8, 20488780), (10, 16391024), (13, 12608480), (16, 10244390), (20, 8195512), (26, 6304240), (32, 5122195), (40, 4097756), (52, 3152120), (65, 2521696), (80, 2048878), (104, 1576060), (130, 1260848), (160, 1024439), (208, 788030), (260, 630424), (416, 394015), (520, 315212), (1040, 157606), (2080, 78803)]