161920480

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24683}}^1$

素因数の和:24739

約数の個数: 48

約数和(自身を含む): 391883184

約数和(自身を除く): 229962704

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, 24683, 49366, 98732, 123415, 197464, 246830, 394928, 493660, 789856, 987320, 1012003, 1974640, 2024006, 3949280, 4048012, 5060015, 8096024, 10120030, 16192048, 20240060, 32384096, 40480120, 80960240, 161920480]

約数ペア:

[(1, 161920480), (2, 80960240), (4, 40480120), (5, 32384096), (8, 20240060), (10, 16192048), (16, 10120030), (20, 8096024), (32, 5060015), (40, 4048012), (41, 3949280), (80, 2024006), (82, 1974640), (160, 1012003), (164, 987320), (205, 789856), (328, 493660), (410, 394928), (656, 246830), (820, 197464), (1312, 123415), (1640, 98732), (3280, 49366), (6560, 24683)]