859106320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{120661}}^1$

素因数の和:120763

約数の個数: 40

約数和(自身を含む): 2019881880

約数和(自身を除く): 1160775560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 120661, 241322, 482644, 603305, 965288, 1206610, 1930576, 2413220, 4826440, 9652880, 10738829, 21477658, 42955316, 53694145, 85910632, 107388290, 171821264, 214776580, 429553160, 859106320]

約数ペア:

[(1, 859106320), (2, 429553160), (4, 214776580), (5, 171821264), (8, 107388290), (10, 85910632), (16, 53694145), (20, 42955316), (40, 21477658), (80, 10738829), (89, 9652880), (178, 4826440), (356, 2413220), (445, 1930576), (712, 1206610), (890, 965288), (1424, 603305), (1780, 482644), (3560, 241322), (7120, 120661)]