66442700

素因数分解:

$2^2\times 5^2\times {\mathrm{664427}}^1$

素因数の和:664441

約数の個数: 18

約数和(自身を含む): 144180876

約数和(自身を除く): 77738176

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 664427, 1328854, 2657708, 3322135, 6644270, 13288540, 16610675, 33221350, 66442700]

約数ペア:

[(1, 66442700), (2, 33221350), (4, 16610675), (5, 13288540), (10, 6644270), (20, 3322135), (25, 2657708), (50, 1328854), (100, 664427)]