213475840

素因数分解:

$2^9\times 5^1\times {\mathrm{83389}}^1$

素因数の和:83412

約数の個数: 40

約数和(自身を含む): 511847820

約数和(自身を除く): 298371980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 83389, 166778, 333556, 416945, 667112, 833890, 1334224, 1667780, 2668448, 3335560, 5336896, 6671120, 10673792, 13342240, 21347584, 26684480, 42695168, 53368960, 106737920, 213475840]

約数ペア:

[(1, 213475840), (2, 106737920), (4, 53368960), (5, 42695168), (8, 26684480), (10, 21347584), (16, 13342240), (20, 10673792), (32, 6671120), (40, 5336896), (64, 3335560), (80, 2668448), (128, 1667780), (160, 1334224), (256, 833890), (320, 667112), (512, 416945), (640, 333556), (1280, 166778), (2560, 83389)]