87122440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13873}}^1$

素因数の和:14041

約数の個数: 32

約数和(自身を含む): 197288280

約数和(自身を除く): 110165840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 13873, 27746, 55492, 69365, 110984, 138730, 277460, 554920, 2178061, 4356122, 8712244, 10890305, 17424488, 21780610, 43561220, 87122440]

約数ペア:

[(1, 87122440), (2, 43561220), (4, 21780610), (5, 17424488), (8, 10890305), (10, 8712244), (20, 4356122), (40, 2178061), (157, 554920), (314, 277460), (628, 138730), (785, 110984), (1256, 69365), (1570, 55492), (3140, 27746), (6280, 13873)]