203591680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{9941}}^1$

素因数の和:9970

約数の個数: 52

約数和(自身を含む): 488609532

約数和(自身を除く): 285017852

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, 4096, 5120, 9941, 10240, 19882, 20480, 39764, 49705, 79528, 99410, 159056, 198820, 318112, 397640, 636224, 795280, 1272448, 1590560, 2544896, 3181120, 5089792, 6362240, 10179584, 12724480, 20359168, 25448960, 40718336, 50897920, 101795840, 203591680]

約数ペア:

[(1, 203591680), (2, 101795840), (4, 50897920), (5, 40718336), (8, 25448960), (10, 20359168), (16, 12724480), (20, 10179584), (32, 6362240), (40, 5089792), (64, 3181120), (80, 2544896), (128, 1590560), (160, 1272448), (256, 795280), (320, 636224), (512, 397640), (640, 318112), (1024, 198820), (1280, 159056), (2048, 99410), (2560, 79528), (4096, 49705), (5120, 39764), (9941, 20480), (10240, 19882)]