78675440

素因数分解:

$2^4\times 5^1\times {\mathrm{983443}}^1$

素因数の和:983456

約数の個数: 20

約数和(自身を含む): 182920584

約数和(自身を除く): 104245144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983443, 1966886, 3933772, 4917215, 7867544, 9834430, 15735088, 19668860, 39337720, 78675440]

約数ペア:

[(1, 78675440), (2, 39337720), (4, 19668860), (5, 15735088), (8, 9834430), (10, 7867544), (16, 4917215), (20, 3933772), (40, 1966886), (80, 983443)]