121812520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{34217}}^1$

素因数の和:34317

約数の個数: 32

約数和(自身を含む): 277165800

約数和(自身を除く): 155353280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 34217, 68434, 136868, 171085, 273736, 342170, 684340, 1368680, 3045313, 6090626, 12181252, 15226565, 24362504, 30453130, 60906260, 121812520]

約数ペア:

[(1, 121812520), (2, 60906260), (4, 30453130), (5, 24362504), (8, 15226565), (10, 12181252), (20, 6090626), (40, 3045313), (89, 1368680), (178, 684340), (356, 342170), (445, 273736), (712, 171085), (890, 136868), (1780, 68434), (3560, 34217)]