12939880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5483}}^1$

素因数の和:5553

約数の個数: 32

約数和(自身を含む): 29613600

約数和(自身を除く): 16673720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 5483, 10966, 21932, 27415, 43864, 54830, 109660, 219320, 323497, 646994, 1293988, 1617485, 2587976, 3234970, 6469940, 12939880]

約数ペア:

[(1, 12939880), (2, 6469940), (4, 3234970), (5, 2587976), (8, 1617485), (10, 1293988), (20, 646994), (40, 323497), (59, 219320), (118, 109660), (236, 54830), (295, 43864), (472, 27415), (590, 21932), (1180, 10966), (2360, 5483)]