90404480

素因数分解:

$2^7\times 5^1\times {\mathrm{141257}}^1$

素因数の和:141276

約数の個数: 32

約数和(自身を含む): 216124740

約数和(自身を除く): 125720260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141257, 282514, 565028, 706285, 1130056, 1412570, 2260112, 2825140, 4520224, 5650280, 9040448, 11300560, 18080896, 22601120, 45202240, 90404480]

約数ペア:

[(1, 90404480), (2, 45202240), (4, 22601120), (5, 18080896), (8, 11300560), (10, 9040448), (16, 5650280), (20, 4520224), (32, 2825140), (40, 2260112), (64, 1412570), (80, 1130056), (128, 706285), (160, 565028), (320, 282514), (640, 141257)]