16185160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 21917240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 139, 142, 164, 205, 278, 284, 328, 355, 410, 556, 568, 695, 710, 820, 1112, 1390, 1420, 1640, 2780, 2840, 2911, 5560, 5699, 5822, 9869, 11398, 11644, 14555, 19738, 22796, 23288, 28495, 29110, 39476, 45592, 49345, 56990, 58220, 78952, 98690, 113980, 116440, 197380, 227960, 394760, 404629, 809258, 1618516, 2023145, 3237032, 4046290, 8092580, 16185160]

約数ペア:

[(1, 16185160), (2, 8092580), (4, 4046290), (5, 3237032), (8, 2023145), (10, 1618516), (20, 809258), (40, 404629), (41, 394760), (71, 227960), (82, 197380), (139, 116440), (142, 113980), (164, 98690), (205, 78952), (278, 58220), (284, 56990), (328, 49345), (355, 45592), (410, 39476), (556, 29110), (568, 28495), (695, 23288), (710, 22796), (820, 19738), (1112, 14555), (1390, 11644), (1420, 11398), (1640, 9869), (2780, 5822), (2840, 5699), (2911, 5560)]