677840120

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{25951}}^1$

素因数の和:26615

約数の個数: 32

約数和(自身を含む): 1527534720

約数和(自身を除く): 849694600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 25951, 26120, 51902, 103804, 129755, 207608, 259510, 519020, 1038040, 16946003, 33892006, 67784012, 84730015, 135568024, 169460030, 338920060, 677840120]

約数ペア:

[(1, 677840120), (2, 338920060), (4, 169460030), (5, 135568024), (8, 84730015), (10, 67784012), (20, 33892006), (40, 16946003), (653, 1038040), (1306, 519020), (2612, 259510), (3265, 207608), (5224, 129755), (6530, 103804), (13060, 51902), (25951, 26120)]