8717440

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 21315960

約数和(自身を除く): 12598520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 257, 265, 320, 424, 514, 530, 640, 848, 1028, 1060, 1285, 1696, 2056, 2120, 2570, 3392, 4112, 4240, 5140, 6784, 8224, 8480, 10280, 13621, 16448, 16960, 20560, 27242, 32896, 33920, 41120, 54484, 68105, 82240, 108968, 136210, 164480, 217936, 272420, 435872, 544840, 871744, 1089680, 1743488, 2179360, 4358720, 8717440]

約数ペア:

[(1, 8717440), (2, 4358720), (4, 2179360), (5, 1743488), (8, 1089680), (10, 871744), (16, 544840), (20, 435872), (32, 272420), (40, 217936), (53, 164480), (64, 136210), (80, 108968), (106, 82240), (128, 68105), (160, 54484), (212, 41120), (257, 33920), (265, 32896), (320, 27242), (424, 20560), (514, 16960), (530, 16448), (640, 13621), (848, 10280), (1028, 8480), (1060, 8224), (1285, 6784), (1696, 5140), (2056, 4240), (2120, 4112), (2570, 3392)]