61374280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139487}}^1$

素因数の和:139509

約数の個数: 32

約数和(自身を含む): 150647040

約数和(自身を除く): 89272760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 139487, 278974, 557948, 697435, 1115896, 1394870, 1534357, 2789740, 3068714, 5579480, 6137428, 7671785, 12274856, 15343570, 30687140, 61374280]

約数ペア:

[(1, 61374280), (2, 30687140), (4, 15343570), (5, 12274856), (8, 7671785), (10, 6137428), (11, 5579480), (20, 3068714), (22, 2789740), (40, 1534357), (44, 1394870), (55, 1115896), (88, 697435), (110, 557948), (220, 278974), (440, 139487)]