123769720

素因数分解:

$2^3\times 5^1\times {\mathrm{3094243}}^1$

素因数の和:3094254

約数の個数: 16

約数和(自身を含む): 278481960

約数和(自身を除く): 154712240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3094243, 6188486, 12376972, 15471215, 24753944, 30942430, 61884860, 123769720]

約数ペア:

[(1, 123769720), (2, 61884860), (4, 30942430), (5, 24753944), (8, 15471215), (10, 12376972), (20, 6188486), (40, 3094243)]