16857560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 40975200

約数和(自身を除く): 24117640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 541, 760, 779, 820, 1082, 1558, 1640, 2164, 2705, 3116, 3895, 4328, 5410, 6232, 7790, 10279, 10820, 15580, 20558, 21640, 22181, 31160, 41116, 44362, 51395, 82232, 88724, 102790, 110905, 177448, 205580, 221810, 411160, 421439, 443620, 842878, 887240, 1685756, 2107195, 3371512, 4214390, 8428780, 16857560]

約数ペア:

[(1, 16857560), (2, 8428780), (4, 4214390), (5, 3371512), (8, 2107195), (10, 1685756), (19, 887240), (20, 842878), (38, 443620), (40, 421439), (41, 411160), (76, 221810), (82, 205580), (95, 177448), (152, 110905), (164, 102790), (190, 88724), (205, 82232), (328, 51395), (380, 44362), (410, 41116), (541, 31160), (760, 22181), (779, 21640), (820, 20558), (1082, 15580), (1558, 10820), (1640, 10279), (2164, 7790), (2705, 6232), (3116, 5410), (3895, 4328)]