39451210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4062

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 36390710

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 3989, 4945, 7978, 9890, 19945, 39890, 91747, 171527, 183494, 343054, 458735, 857635, 917470, 1715270, 3945121, 7890242, 19725605, 39451210]

約数ペア:

[(1, 39451210), (2, 19725605), (5, 7890242), (10, 3945121), (23, 1715270), (43, 917470), (46, 857635), (86, 458735), (115, 343054), (215, 183494), (230, 171527), (430, 91747), (989, 39890), (1978, 19945), (3989, 9890), (4945, 7978)]