4436440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 10050480

約数和(自身を除く): 5614040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 563, 788, 985, 1126, 1576, 1970, 2252, 2815, 3940, 4504, 5630, 7880, 11260, 22520, 110911, 221822, 443644, 554555, 887288, 1109110, 2218220, 4436440]

約数ペア:

[(1, 4436440), (2, 2218220), (4, 1109110), (5, 887288), (8, 554555), (10, 443644), (20, 221822), (40, 110911), (197, 22520), (394, 11260), (563, 7880), (788, 5630), (985, 4504), (1126, 3940), (1576, 2815), (1970, 2252)]