30925780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25349}}^1$

素因数の和:25419

約数の個数: 24

約数和(自身を含む): 66011400

約数和(自身を除く): 35085620

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 25349, 50698, 101396, 126745, 253490, 506980, 1546289, 3092578, 6185156, 7731445, 15462890, 30925780]

約数ペア:

[(1, 30925780), (2, 15462890), (4, 7731445), (5, 6185156), (10, 3092578), (20, 1546289), (61, 506980), (122, 253490), (244, 126745), (305, 101396), (610, 50698), (1220, 25349)]