72109040

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1601}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 168056208

約数和(自身を除く): 95947168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1601, 2252, 2815, 3202, 4504, 5630, 6404, 8005, 9008, 11260, 12808, 16010, 22520, 25616, 32020, 45040, 64040, 128080, 901363, 1802726, 3605452, 4506815, 7210904, 9013630, 14421808, 18027260, 36054520, 72109040]

約数ペア:

[(1, 72109040), (2, 36054520), (4, 18027260), (5, 14421808), (8, 9013630), (10, 7210904), (16, 4506815), (20, 3605452), (40, 1802726), (80, 901363), (563, 128080), (1126, 64040), (1601, 45040), (2252, 32020), (2815, 25616), (3202, 22520), (4504, 16010), (5630, 12808), (6404, 11260), (8005, 9008)]