83996980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135479}}^1$

素因数の和:135519

約数の個数: 24

約数和(自身を含む): 182085120

約数和(自身を除く): 98088140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 135479, 270958, 541916, 677395, 1354790, 2709580, 4199849, 8399698, 16799396, 20999245, 41998490, 83996980]

約数ペア:

[(1, 83996980), (2, 41998490), (4, 20999245), (5, 16799396), (10, 8399698), (20, 4199849), (31, 2709580), (62, 1354790), (124, 677395), (155, 541916), (310, 270958), (620, 135479)]