78765920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12007}}^1$

素因数の和:12063

約数の個数: 48

約数和(自身を含む): 190639008

約数和(自身を除く): 111873088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12007, 24014, 48028, 60035, 96056, 120070, 192112, 240140, 384224, 480280, 492287, 960560, 984574, 1921120, 1969148, 2461435, 3938296, 4922870, 7876592, 9845740, 15753184, 19691480, 39382960, 78765920]

約数ペア:

[(1, 78765920), (2, 39382960), (4, 19691480), (5, 15753184), (8, 9845740), (10, 7876592), (16, 4922870), (20, 3938296), (32, 2461435), (40, 1969148), (41, 1921120), (80, 984574), (82, 960560), (160, 492287), (164, 480280), (205, 384224), (328, 240140), (410, 192112), (656, 120070), (820, 96056), (1312, 60035), (1640, 48028), (3280, 24014), (6560, 12007)]