38123780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31249}}^1$

素因数の和:31319

約数の個数: 24

約数和(自身を含む): 81375000

約数和(自身を除く): 43251220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 31249, 62498, 124996, 156245, 312490, 624980, 1906189, 3812378, 7624756, 9530945, 19061890, 38123780]

約数ペア:

[(1, 38123780), (2, 19061890), (4, 9530945), (5, 7624756), (10, 3812378), (20, 1906189), (61, 624980), (122, 312490), (244, 156245), (305, 124996), (610, 62498), (1220, 31249)]