65512240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15451}}^1$

素因数の和:15517

約数の個数: 40

約数和(自身を含む): 155199888

約数和(自身を除く): 89687648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15451, 30902, 61804, 77255, 123608, 154510, 247216, 309020, 618040, 818903, 1236080, 1637806, 3275612, 4094515, 6551224, 8189030, 13102448, 16378060, 32756120, 65512240]

約数ペア:

[(1, 65512240), (2, 32756120), (4, 16378060), (5, 13102448), (8, 8189030), (10, 6551224), (16, 4094515), (20, 3275612), (40, 1637806), (53, 1236080), (80, 818903), (106, 618040), (212, 309020), (265, 247216), (424, 154510), (530, 123608), (848, 77255), (1060, 61804), (2120, 30902), (4240, 15451)]