4389160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 9943560

約数和(自身を除く): 5554400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 557, 788, 985, 1114, 1576, 1970, 2228, 2785, 3940, 4456, 5570, 7880, 11140, 22280, 109729, 219458, 438916, 548645, 877832, 1097290, 2194580, 4389160]

約数ペア:

[(1, 4389160), (2, 2194580), (4, 1097290), (5, 877832), (8, 548645), (10, 438916), (20, 219458), (40, 109729), (197, 22280), (394, 11140), (557, 7880), (788, 5570), (985, 4456), (1114, 3940), (1576, 2785), (1970, 2228)]