203663360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19889}}^1$

素因数の和:19916

約数の個数: 48

約数和(自身を含む): 488697300

約数和(自身を除く): 285033940

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, 19889, 39778, 79556, 99445, 159112, 198890, 318224, 397780, 636448, 795560, 1272896, 1591120, 2545792, 3182240, 5091584, 6364480, 10183168, 12728960, 20366336, 25457920, 40732672, 50915840, 101831680, 203663360]

約数ペア:

[(1, 203663360), (2, 101831680), (4, 50915840), (5, 40732672), (8, 25457920), (10, 20366336), (16, 12728960), (20, 10183168), (32, 6364480), (40, 5091584), (64, 3182240), (80, 2545792), (128, 1591120), (160, 1272896), (256, 795560), (320, 636448), (512, 397780), (640, 318224), (1024, 198890), (1280, 159112), (2048, 99445), (2560, 79556), (5120, 39778), (10240, 19889)]