28556980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17203}}^1$

素因数の和:17295

約数の個数: 24

約数和(自身を含む): 60695712

約数和(自身を除く): 32138732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17203, 34406, 68812, 86015, 172030, 344060, 1427849, 2855698, 5711396, 7139245, 14278490, 28556980]

約数ペア:

[(1, 28556980), (2, 14278490), (4, 7139245), (5, 5711396), (10, 2855698), (20, 1427849), (83, 344060), (166, 172030), (332, 86015), (415, 68812), (830, 34406), (1660, 17203)]