4347880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 9923400

約数和(自身を除く): 5575520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 1489, 2920, 2978, 5956, 7445, 11912, 14890, 29780, 59560, 108697, 217394, 434788, 543485, 869576, 1086970, 2173940, 4347880]

約数ペア:

[(1, 4347880), (2, 2173940), (4, 1086970), (5, 869576), (8, 543485), (10, 434788), (20, 217394), (40, 108697), (73, 59560), (146, 29780), (292, 14890), (365, 11912), (584, 7445), (730, 5956), (1460, 2978), (1489, 2920)]