217876480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{21277}}^1$

素因数の和:21304

約数の個数: 48

約数和(自身を含む): 522800460

約数和(自身を除く): 304923980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 21277, 42554, 85108, 106385, 170216, 212770, 340432, 425540, 680864, 851080, 1361728, 1702160, 2723456, 3404320, 5446912, 6808640, 10893824, 13617280, 21787648, 27234560, 43575296, 54469120, 108938240, 217876480]

約数ペア:

[(1, 217876480), (2, 108938240), (4, 54469120), (5, 43575296), (8, 27234560), (10, 21787648), (16, 13617280), (20, 10893824), (32, 6808640), (40, 5446912), (64, 3404320), (80, 2723456), (128, 1702160), (160, 1361728), (256, 851080), (320, 680864), (512, 425540), (640, 340432), (1024, 212770), (1280, 170216), (2048, 106385), (2560, 85108), (5120, 42554), (10240, 21277)]