31420990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 59927040

約数和(自身を除く): 28506050

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 2039, 3082, 4078, 7705, 10195, 15410, 20390, 46897, 93794, 136613, 234485, 273226, 468970, 683065, 1366130, 3142099, 6284198, 15710495, 31420990]

約数ペア:

[(1, 31420990), (2, 15710495), (5, 6284198), (10, 3142099), (23, 1366130), (46, 683065), (67, 468970), (115, 273226), (134, 234485), (230, 136613), (335, 93794), (670, 46897), (1541, 20390), (2039, 15410), (3082, 10195), (4078, 7705)]