1981875200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{77417}}^1$

素因数の和:77447

約数の個数: 66

約数和(自身を含む): 4912714026

約数和(自身を除く): 2930838826

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 12800, 25600, 77417, 154834, 309668, 387085, 619336, 774170, 1238672, 1548340, 1935425, 2477344, 3096680, 3870850, 4954688, 6193360, 7741700, 9909376, 12386720, 15483400, 19818752, 24773440, 30966800, 39637504, 49546880, 61933600, 79275008, 99093760, 123867200, 198187520, 247734400, 396375040, 495468800, 990937600, 1981875200]

約数ペア:

[(1, 1981875200), (2, 990937600), (4, 495468800), (5, 396375040), (8, 247734400), (10, 198187520), (16, 123867200), (20, 99093760), (25, 79275008), (32, 61933600), (40, 49546880), (50, 39637504), (64, 30966800), (80, 24773440), (100, 19818752), (128, 15483400), (160, 12386720), (200, 9909376), (256, 7741700), (320, 6193360), (400, 4954688), (512, 3870850), (640, 3096680), (800, 2477344), (1024, 1935425), (1280, 1548340), (1600, 1238672), (2560, 774170), (3200, 619336), (5120, 387085), (6400, 309668), (12800, 154834), (25600, 77417)]