2947372840

素因数分解:

$2^3\times 5^1\times {\mathrm{73684321}}^1$

素因数の和:73684332

約数の個数: 16

約数和(自身を含む): 6631588980

約数和(自身を除く): 3684216140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73684321, 147368642, 294737284, 368421605, 589474568, 736843210, 1473686420, 2947372840]

約数ペア:

[(1, 2947372840), (2, 1473686420), (4, 736843210), (5, 589474568), (8, 368421605), (10, 294737284), (20, 147368642), (40, 73684321)]