64967240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 159107760

約数和(自身を除く): 94140520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 808, 1010, 1237, 1313, 2020, 2474, 2626, 4040, 4948, 5252, 6185, 6565, 9896, 10504, 12370, 13130, 16081, 24740, 26260, 32162, 49480, 52520, 64324, 80405, 124937, 128648, 160810, 249874, 321620, 499748, 624685, 643240, 999496, 1249370, 1624181, 2498740, 3248362, 4997480, 6496724, 8120905, 12993448, 16241810, 32483620, 64967240]

約数ペア:

[(1, 64967240), (2, 32483620), (4, 16241810), (5, 12993448), (8, 8120905), (10, 6496724), (13, 4997480), (20, 3248362), (26, 2498740), (40, 1624181), (52, 1249370), (65, 999496), (101, 643240), (104, 624685), (130, 499748), (202, 321620), (260, 249874), (404, 160810), (505, 128648), (520, 124937), (808, 80405), (1010, 64324), (1237, 52520), (1313, 49480), (2020, 32162), (2474, 26260), (2626, 24740), (4040, 16081), (4948, 13130), (5252, 12370), (6185, 10504), (6565, 9896)]