65126240

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{829}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 154360080

約数和(自身を除く): 89233840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 829, 982, 1658, 1964, 2455, 3316, 3928, 4145, 4910, 6632, 7856, 8290, 9820, 13264, 15712, 16580, 19640, 26528, 33160, 39280, 66320, 78560, 132640, 407039, 814078, 1628156, 2035195, 3256312, 4070390, 6512624, 8140780, 13025248, 16281560, 32563120, 65126240]

約数ペア:

[(1, 65126240), (2, 32563120), (4, 16281560), (5, 13025248), (8, 8140780), (10, 6512624), (16, 4070390), (20, 3256312), (32, 2035195), (40, 1628156), (80, 814078), (160, 407039), (491, 132640), (829, 78560), (982, 66320), (1658, 39280), (1964, 33160), (2455, 26528), (3316, 19640), (3928, 16580), (4145, 15712), (4910, 13264), (6632, 9820), (7856, 8290)]