11978240

素因数分解:

$2^9\times 5^1\times {\mathrm{4679}}^1$

素因数の和:4702

約数の個数: 40

約数和(自身を含む): 28725840

約数和(自身を除く): 16747600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4679, 9358, 18716, 23395, 37432, 46790, 74864, 93580, 149728, 187160, 299456, 374320, 598912, 748640, 1197824, 1497280, 2395648, 2994560, 5989120, 11978240]

約数ペア:

[(1, 11978240), (2, 5989120), (4, 2994560), (5, 2395648), (8, 1497280), (10, 1197824), (16, 748640), (20, 598912), (32, 374320), (40, 299456), (64, 187160), (80, 149728), (128, 93580), (160, 74864), (256, 46790), (320, 37432), (512, 23395), (640, 18716), (1280, 9358), (2560, 4679)]