31227920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4703}}^1$

素因数の和:4799

約数の個数: 40

約数和(自身を含む): 73495296

約数和(自身を除く): 42267376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4703, 6640, 9406, 18812, 23515, 37624, 47030, 75248, 94060, 188120, 376240, 390349, 780698, 1561396, 1951745, 3122792, 3903490, 6245584, 7806980, 15613960, 31227920]

約数ペア:

[(1, 31227920), (2, 15613960), (4, 7806980), (5, 6245584), (8, 3903490), (10, 3122792), (16, 1951745), (20, 1561396), (40, 780698), (80, 390349), (83, 376240), (166, 188120), (332, 94060), (415, 75248), (664, 47030), (830, 37624), (1328, 23515), (1660, 18812), (3320, 9406), (4703, 6640)]