131335840

素因数分解:

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

素因数の和:26525

約数の個数: 48

約数和(自身を含む): 320302080

約数和(自身を除く): 188966240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 26479, 52958, 105916, 132395, 211832, 264790, 423664, 529580, 820849, 847328, 1059160, 1641698, 2118320, 3283396, 4104245, 4236640, 6566792, 8208490, 13133584, 16416980, 26267168, 32833960, 65667920, 131335840]

約数ペア:

[(1, 131335840), (2, 65667920), (4, 32833960), (5, 26267168), (8, 16416980), (10, 13133584), (16, 8208490), (20, 6566792), (31, 4236640), (32, 4104245), (40, 3283396), (62, 2118320), (80, 1641698), (124, 1059160), (155, 847328), (160, 820849), (248, 529580), (310, 423664), (496, 264790), (620, 211832), (992, 132395), (1240, 105916), (2480, 52958), (4960, 26479)]