28529440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4349}}^1$

素因数の和:4405

約数の個数: 48

約数和(自身を含む): 69060600

約数和(自身を除く): 40531160

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, 4349, 6560, 8698, 17396, 21745, 34792, 43490, 69584, 86980, 139168, 173960, 178309, 347920, 356618, 695840, 713236, 891545, 1426472, 1783090, 2852944, 3566180, 5705888, 7132360, 14264720, 28529440]

約数ペア:

[(1, 28529440), (2, 14264720), (4, 7132360), (5, 5705888), (8, 3566180), (10, 2852944), (16, 1783090), (20, 1426472), (32, 891545), (40, 713236), (41, 695840), (80, 356618), (82, 347920), (160, 178309), (164, 173960), (205, 139168), (328, 86980), (410, 69584), (656, 43490), (820, 34792), (1312, 21745), (1640, 17396), (3280, 8698), (4349, 6560)]