25497940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 58035600

約数和(自身を除く): 32537660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 349, 562, 698, 1124, 1396, 1405, 1745, 2810, 3490, 3653, 4537, 5620, 6980, 7306, 9074, 14612, 18148, 18265, 22685, 36530, 45370, 73060, 90740, 98069, 196138, 392276, 490345, 980690, 1274897, 1961380, 2549794, 5099588, 6374485, 12748970, 25497940]

約数ペア:

[(1, 25497940), (2, 12748970), (4, 6374485), (5, 5099588), (10, 2549794), (13, 1961380), (20, 1274897), (26, 980690), (52, 490345), (65, 392276), (130, 196138), (260, 98069), (281, 90740), (349, 73060), (562, 45370), (698, 36530), (1124, 22685), (1396, 18265), (1405, 18148), (1745, 14612), (2810, 9074), (3490, 7306), (3653, 6980), (4537, 5620)]