129786880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{25349}}^1$

素因数の和:25374

約数の個数: 44

約数和(自身を含む): 311348700

約数和(自身を除く): 181561820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 25349, 50698, 101396, 126745, 202792, 253490, 405584, 506980, 811168, 1013960, 1622336, 2027920, 3244672, 4055840, 6489344, 8111680, 12978688, 16223360, 25957376, 32446720, 64893440, 129786880]

約数ペア:

[(1, 129786880), (2, 64893440), (4, 32446720), (5, 25957376), (8, 16223360), (10, 12978688), (16, 8111680), (20, 6489344), (32, 4055840), (40, 3244672), (64, 2027920), (80, 1622336), (128, 1013960), (160, 811168), (256, 506980), (320, 405584), (512, 253490), (640, 202792), (1024, 126745), (1280, 101396), (2560, 50698), (5120, 25349)]