80105240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64601}}^1$

素因数の和:64643

約数の個数: 32

約数和(自身を含む): 186053760

約数和(自身を除く): 105948520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64601, 129202, 258404, 323005, 516808, 646010, 1292020, 2002631, 2584040, 4005262, 8010524, 10013155, 16021048, 20026310, 40052620, 80105240]

約数ペア:

[(1, 80105240), (2, 40052620), (4, 20026310), (5, 16021048), (8, 10013155), (10, 8010524), (20, 4005262), (31, 2584040), (40, 2002631), (62, 1292020), (124, 646010), (155, 516808), (248, 323005), (310, 258404), (620, 129202), (1240, 64601)]