2309840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 5786088

約数和(自身を除く): 3476248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2221, 4442, 8884, 11105, 17768, 22210, 28873, 35536, 44420, 57746, 88840, 115492, 144365, 177680, 230984, 288730, 461968, 577460, 1154920, 2309840]

約数ペア:

[(1, 2309840), (2, 1154920), (4, 577460), (5, 461968), (8, 288730), (10, 230984), (13, 177680), (16, 144365), (20, 115492), (26, 88840), (40, 57746), (52, 44420), (65, 35536), (80, 28873), (104, 22210), (130, 17768), (208, 11105), (260, 8884), (520, 4442), (1040, 2221)]