3640520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7025

約数の個数: 32

約数和(自身を含む): 8822520

約数和(自身を除く): 5182000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7001, 14002, 28004, 35005, 56008, 70010, 91013, 140020, 182026, 280040, 364052, 455065, 728104, 910130, 1820260, 3640520]

約数ペア:

[(1, 3640520), (2, 1820260), (4, 910130), (5, 728104), (8, 455065), (10, 364052), (13, 280040), (20, 182026), (26, 140020), (40, 91013), (52, 70010), (65, 56008), (104, 35005), (130, 28004), (260, 14002), (520, 7001)]