82867640

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3413}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 186814080

約数和(自身を除く): 103946440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3413, 4856, 6070, 6826, 12140, 13652, 17065, 24280, 27304, 34130, 68260, 136520, 2071691, 4143382, 8286764, 10358455, 16573528, 20716910, 41433820, 82867640]

約数ペア:

[(1, 82867640), (2, 41433820), (4, 20716910), (5, 16573528), (8, 10358455), (10, 8286764), (20, 4143382), (40, 2071691), (607, 136520), (1214, 68260), (2428, 34130), (3035, 27304), (3413, 24280), (4856, 17065), (6070, 13652), (6826, 12140)]