1649810620

素因数分解:

$2^2\times 5^1\times {\mathrm{15497}}^1\times {\mathrm{5323}}^1$

素因数の和:20829

約数の個数: 24

約数和(自身を含む): 3465476784

約数和(自身を除く): 1815666164

約数列:

[1, 2, 4, 5, 10, 20, 5323, 10646, 15497, 21292, 26615, 30994, 53230, 61988, 77485, 106460, 154970, 309940, 82490531, 164981062, 329962124, 412452655, 824905310, 1649810620]

約数ペア:

[(1, 1649810620), (2, 824905310), (4, 412452655), (5, 329962124), (10, 164981062), (20, 82490531), (5323, 309940), (10646, 154970), (15497, 106460), (21292, 77485), (26615, 61988), (30994, 53230)]