208040960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 88

約数和(自身を含む): 504053280

約数和(自身を除く): 296012320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 227, 256, 320, 358, 454, 512, 640, 716, 895, 908, 1024, 1135, 1280, 1432, 1790, 1816, 2270, 2560, 2864, 3580, 3632, 4540, 5120, 5728, 7160, 7264, 9080, 11456, 14320, 14528, 18160, 22912, 28640, 29056, 36320, 40633, 45824, 57280, 58112, 72640, 81266, 91648, 114560, 116224, 145280, 162532, 183296, 203165, 229120, 232448, 290560, 325064, 406330, 458240, 581120, 650128, 812660, 916480, 1162240, 1300256, 1625320, 2600512, 3250640, 5201024, 6501280, 10402048, 13002560, 20804096, 26005120, 41608192, 52010240, 104020480, 208040960]

約数ペア:

[(1, 208040960), (2, 104020480), (4, 52010240), (5, 41608192), (8, 26005120), (10, 20804096), (16, 13002560), (20, 10402048), (32, 6501280), (40, 5201024), (64, 3250640), (80, 2600512), (128, 1625320), (160, 1300256), (179, 1162240), (227, 916480), (256, 812660), (320, 650128), (358, 581120), (454, 458240), (512, 406330), (640, 325064), (716, 290560), (895, 232448), (908, 229120), (1024, 203165), (1135, 183296), (1280, 162532), (1432, 145280), (1790, 116224), (1816, 114560), (2270, 91648), (2560, 81266), (2864, 72640), (3580, 58112), (3632, 57280), (4540, 45824), (5120, 40633), (5728, 36320), (7160, 29056), (7264, 28640), (9080, 22912), (11456, 18160), (14320, 14528)]