131786240

素因数分解:

$2^9\times 5^1\times {\mathrm{51479}}^1$

素因数の和:51502

約数の個数: 40

約数和(自身を含む): 315984240

約数和(自身を除く): 184198000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 51479, 102958, 205916, 257395, 411832, 514790, 823664, 1029580, 1647328, 2059160, 3294656, 4118320, 6589312, 8236640, 13178624, 16473280, 26357248, 32946560, 65893120, 131786240]

約数ペア:

[(1, 131786240), (2, 65893120), (4, 32946560), (5, 26357248), (8, 16473280), (10, 13178624), (16, 8236640), (20, 6589312), (32, 4118320), (40, 3294656), (64, 2059160), (80, 1647328), (128, 1029580), (160, 823664), (256, 514790), (320, 411832), (512, 257395), (640, 205916), (1280, 102958), (2560, 51479)]