87898240

素因数分解:

$2^7\times 5^1\times {\mathrm{137341}}^1$

素因数の和:137360

約数の個数: 32

約数和(自身を含む): 210133260

約数和(自身を除く): 122235020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 137341, 274682, 549364, 686705, 1098728, 1373410, 2197456, 2746820, 4394912, 5493640, 8789824, 10987280, 17579648, 21974560, 43949120, 87898240]

約数ペア:

[(1, 87898240), (2, 43949120), (4, 21974560), (5, 17579648), (8, 10987280), (10, 8789824), (16, 5493640), (20, 4394912), (32, 2746820), (40, 2197456), (64, 1373410), (80, 1098728), (128, 686705), (160, 549364), (320, 274682), (640, 137341)]