1147804520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{322417}}^1$

素因数の和:322517

約数の個数: 32

約数和(自身を含む): 2611585800

約数和(自身を除く): 1463781280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 322417, 644834, 1289668, 1612085, 2579336, 3224170, 6448340, 12896680, 28695113, 57390226, 114780452, 143475565, 229560904, 286951130, 573902260, 1147804520]

約数ペア:

[(1, 1147804520), (2, 573902260), (4, 286951130), (5, 229560904), (8, 143475565), (10, 114780452), (20, 57390226), (40, 28695113), (89, 12896680), (178, 6448340), (356, 3224170), (445, 2579336), (712, 1612085), (890, 1289668), (1780, 644834), (3560, 322417)]