169905920

素因数分解:

$2^8\times 5^1\times {\mathrm{132739}}^1$

素因数の和:132760

約数の個数: 36

約数和(自身を含む): 406980840

約数和(自身を除く): 237074920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 132739, 265478, 530956, 663695, 1061912, 1327390, 2123824, 2654780, 4247648, 5309560, 8495296, 10619120, 16990592, 21238240, 33981184, 42476480, 84952960, 169905920]

約数ペア:

[(1, 169905920), (2, 84952960), (4, 42476480), (5, 33981184), (8, 21238240), (10, 16990592), (16, 10619120), (20, 8495296), (32, 5309560), (40, 4247648), (64, 2654780), (80, 2123824), (128, 1327390), (160, 1061912), (256, 663695), (320, 530956), (640, 265478), (1280, 132739)]