2151680

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^2$

素因数の和:103

約数の個数: 54

約数和(自身を含む): 5282718

約数和(自身を除く): 3131038

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 1681, 2624, 3280, 3362, 5248, 6560, 6724, 8405, 10496, 13120, 13448, 16810, 26240, 26896, 33620, 52480, 53792, 67240, 107584, 134480, 215168, 268960, 430336, 537920, 1075840, 2151680]

約数ペア:

[(1, 2151680), (2, 1075840), (4, 537920), (5, 430336), (8, 268960), (10, 215168), (16, 134480), (20, 107584), (32, 67240), (40, 53792), (41, 52480), (64, 33620), (80, 26896), (82, 26240), (128, 16810), (160, 13448), (164, 13120), (205, 10496), (256, 8405), (320, 6724), (328, 6560), (410, 5248), (640, 3362), (656, 3280), (820, 2624), (1280, 1681), (1312, 1640)]