191760280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{116927}}^1$

素因数の和:116979

約数の個数: 32

約数和(自身を含む): 441987840

約数和(自身を除く): 250227560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 116927, 233854, 467708, 584635, 935416, 1169270, 2338540, 4677080, 4794007, 9588014, 19176028, 23970035, 38352056, 47940070, 95880140, 191760280]

約数ペア:

[(1, 191760280), (2, 95880140), (4, 47940070), (5, 38352056), (8, 23970035), (10, 19176028), (20, 9588014), (40, 4794007), (41, 4677080), (82, 2338540), (164, 1169270), (205, 935416), (328, 584635), (410, 467708), (820, 233854), (1640, 116927)]