42666980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25703}}^1$

素因数の和:25795

約数の個数: 24

約数和(自身を含む): 90683712

約数和(自身を除く): 48016732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 25703, 51406, 102812, 128515, 257030, 514060, 2133349, 4266698, 8533396, 10666745, 21333490, 42666980]

約数ペア:

[(1, 42666980), (2, 21333490), (4, 10666745), (5, 8533396), (10, 4266698), (20, 2133349), (83, 514060), (166, 257030), (332, 128515), (415, 102812), (830, 51406), (1660, 25703)]