165726920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 385257600

約数和(自身を除く): 219530680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 328, 410, 556, 695, 727, 820, 1112, 1390, 1454, 1640, 2780, 2908, 3635, 5560, 5699, 5816, 7270, 11398, 14540, 22796, 28495, 29080, 29807, 45592, 56990, 59614, 101053, 113980, 119228, 149035, 202106, 227960, 238456, 298070, 404212, 505265, 596140, 808424, 1010530, 1192280, 2021060, 4042120, 4143173, 8286346, 16572692, 20715865, 33145384, 41431730, 82863460, 165726920]

約数ペア:

[(1, 165726920), (2, 82863460), (4, 41431730), (5, 33145384), (8, 20715865), (10, 16572692), (20, 8286346), (40, 4143173), (41, 4042120), (82, 2021060), (139, 1192280), (164, 1010530), (205, 808424), (278, 596140), (328, 505265), (410, 404212), (556, 298070), (695, 238456), (727, 227960), (820, 202106), (1112, 149035), (1390, 119228), (1454, 113980), (1640, 101053), (2780, 59614), (2908, 56990), (3635, 45592), (5560, 29807), (5699, 29080), (5816, 28495), (7270, 22796), (11398, 14540)]