65667920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26479}}^1$

素因数の和:26523

約数の個数: 40

約数和(自身を含む): 157608960

約数和(自身を除く): 91941040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26479, 52958, 105916, 132395, 211832, 264790, 423664, 529580, 820849, 1059160, 1641698, 2118320, 3283396, 4104245, 6566792, 8208490, 13133584, 16416980, 32833960, 65667920]

約数ペア:

[(1, 65667920), (2, 32833960), (4, 16416980), (5, 13133584), (8, 8208490), (10, 6566792), (16, 4104245), (20, 3283396), (31, 2118320), (40, 1641698), (62, 1059160), (80, 820849), (124, 529580), (155, 423664), (248, 264790), (310, 211832), (496, 132395), (620, 105916), (1240, 52958), (2480, 26479)]