71456360

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21523}}^1$

素因数の和:21617

約数の個数: 32

約数和(自身を含む): 162721440

約数和(自身を除く): 91265080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21523, 43046, 86092, 107615, 172184, 215230, 430460, 860920, 1786409, 3572818, 7145636, 8932045, 14291272, 17864090, 35728180, 71456360]

約数ペア:

[(1, 71456360), (2, 35728180), (4, 17864090), (5, 14291272), (8, 8932045), (10, 7145636), (20, 3572818), (40, 1786409), (83, 860920), (166, 430460), (332, 215230), (415, 172184), (664, 107615), (830, 86092), (1660, 43046), (3320, 21523)]