8711680

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 21654864

約数和(自身を除く): 12943184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 83, 128, 160, 164, 166, 205, 256, 320, 328, 332, 410, 415, 512, 640, 656, 664, 820, 830, 1280, 1312, 1328, 1640, 1660, 2560, 2624, 2656, 3280, 3320, 3403, 5248, 5312, 6560, 6640, 6806, 10496, 10624, 13120, 13280, 13612, 17015, 20992, 21248, 26240, 26560, 27224, 34030, 42496, 52480, 53120, 54448, 68060, 104960, 106240, 108896, 136120, 212480, 217792, 272240, 435584, 544480, 871168, 1088960, 1742336, 2177920, 4355840, 8711680]

約数ペア:

[(1, 8711680), (2, 4355840), (4, 2177920), (5, 1742336), (8, 1088960), (10, 871168), (16, 544480), (20, 435584), (32, 272240), (40, 217792), (41, 212480), (64, 136120), (80, 108896), (82, 106240), (83, 104960), (128, 68060), (160, 54448), (164, 53120), (166, 52480), (205, 42496), (256, 34030), (320, 27224), (328, 26560), (332, 26240), (410, 21248), (415, 20992), (512, 17015), (640, 13612), (656, 13280), (664, 13120), (820, 10624), (830, 10496), (1280, 6806), (1312, 6640), (1328, 6560), (1640, 5312), (1660, 5248), (2560, 3403), (2624, 3320), (2656, 3280)]