25998180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33331}}^1$

素因数の和:33356

約数の個数: 48

約数和(自身を含む): 78396864

約数和(自身を除く): 52398684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 33331, 66662, 99993, 133324, 166655, 199986, 333310, 399972, 433303, 499965, 666620, 866606, 999930, 1299909, 1733212, 1999860, 2166515, 2599818, 4333030, 5199636, 6499545, 8666060, 12999090, 25998180]

約数ペア:

[(1, 25998180), (2, 12999090), (3, 8666060), (4, 6499545), (5, 5199636), (6, 4333030), (10, 2599818), (12, 2166515), (13, 1999860), (15, 1733212), (20, 1299909), (26, 999930), (30, 866606), (39, 666620), (52, 499965), (60, 433303), (65, 399972), (78, 333310), (130, 199986), (156, 166655), (195, 133324), (260, 99993), (390, 66662), (780, 33331)]