61521440

素因数分解:

$2^5\times 5^1\times {\mathrm{384509}}^1$

素因数の和:384524

約数の個数: 24

約数和(自身を含む): 145344780

約数和(自身を除く): 83823340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 384509, 769018, 1538036, 1922545, 3076072, 3845090, 6152144, 7690180, 12304288, 15380360, 30760720, 61521440]

約数ペア:

[(1, 61521440), (2, 30760720), (4, 15380360), (5, 12304288), (8, 7690180), (10, 6152144), (16, 3845090), (20, 3076072), (32, 1922545), (40, 1538036), (80, 769018), (160, 384509)]