2115980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 4472160

約数和(自身を除く): 2356180

約数列:

[1, 2, 4, 5, 10, 20, 241, 439, 482, 878, 964, 1205, 1756, 2195, 2410, 4390, 4820, 8780, 105799, 211598, 423196, 528995, 1057990, 2115980]

約数ペア:

[(1, 2115980), (2, 1057990), (4, 528995), (5, 423196), (10, 211598), (20, 105799), (241, 8780), (439, 4820), (482, 4390), (878, 2410), (964, 2195), (1205, 1756)]