138305920

素因数分解:

$2^7\times 5^1\times {\mathrm{216103}}^1$

素因数の和:216122

約数の個数: 32

約数和(自身を含む): 330639120

約数和(自身を除く): 192333200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 216103, 432206, 864412, 1080515, 1728824, 2161030, 3457648, 4322060, 6915296, 8644120, 13830592, 17288240, 27661184, 34576480, 69152960, 138305920]

約数ペア:

[(1, 138305920), (2, 69152960), (4, 34576480), (5, 27661184), (8, 17288240), (10, 13830592), (16, 8644120), (20, 6915296), (32, 4322060), (40, 3457648), (64, 2161030), (80, 1728824), (128, 1080515), (160, 864412), (320, 432206), (640, 216103)]