2177920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 5397840

約数和(自身を除く): 3219920

約数列:

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

約数ペア:

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