77720180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53233}}^1$

素因数の和:53315

約数の個数: 24

約数和(自身を含む): 165451272

約数和(自身を除く): 87731092

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 53233, 106466, 212932, 266165, 532330, 1064660, 3886009, 7772018, 15544036, 19430045, 38860090, 77720180]

約数ペア:

[(1, 77720180), (2, 38860090), (4, 19430045), (5, 15544036), (10, 7772018), (20, 3886009), (73, 1064660), (146, 532330), (292, 266165), (365, 212932), (730, 106466), (1460, 53233)]