8657920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 88

約数和(自身を含む): 22107600

約数和(自身を除く): 13449680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 89, 95, 128, 152, 160, 178, 190, 256, 304, 320, 356, 380, 445, 512, 608, 640, 712, 760, 890, 1024, 1216, 1280, 1424, 1520, 1691, 1780, 2432, 2560, 2848, 3040, 3382, 3560, 4864, 5120, 5696, 6080, 6764, 7120, 8455, 9728, 11392, 12160, 13528, 14240, 16910, 19456, 22784, 24320, 27056, 28480, 33820, 45568, 48640, 54112, 56960, 67640, 91136, 97280, 108224, 113920, 135280, 216448, 227840, 270560, 432896, 455680, 541120, 865792, 1082240, 1731584, 2164480, 4328960, 8657920]

約数ペア:

[(1, 8657920), (2, 4328960), (4, 2164480), (5, 1731584), (8, 1082240), (10, 865792), (16, 541120), (19, 455680), (20, 432896), (32, 270560), (38, 227840), (40, 216448), (64, 135280), (76, 113920), (80, 108224), (89, 97280), (95, 91136), (128, 67640), (152, 56960), (160, 54112), (178, 48640), (190, 45568), (256, 33820), (304, 28480), (320, 27056), (356, 24320), (380, 22784), (445, 19456), (512, 16910), (608, 14240), (640, 13528), (712, 12160), (760, 11392), (890, 9728), (1024, 8455), (1216, 7120), (1280, 6764), (1424, 6080), (1520, 5696), (1691, 5120), (1780, 4864), (2432, 3560), (2560, 3382), (2848, 3040)]