39591970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15649}}^1$

素因数の和:15690

約数の個数: 32

約数和(自身を含む): 81129600

約数和(自身を除く): 41537630

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15649, 31298, 78245, 156490, 172139, 344278, 359927, 719854, 860695, 1721390, 1799635, 3599270, 3959197, 7918394, 19795985, 39591970]

約数ペア:

[(1, 39591970), (2, 19795985), (5, 7918394), (10, 3959197), (11, 3599270), (22, 1799635), (23, 1721390), (46, 860695), (55, 719854), (110, 359927), (115, 344278), (230, 172139), (253, 156490), (506, 78245), (1265, 31298), (2530, 15649)]