8138320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4423}}^1$

素因数の和:4459

約数の個数: 40

約数和(自身を含む): 19748736

約数和(自身を除く): 11610416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 4423, 8846, 17692, 22115, 35384, 44230, 70768, 88460, 101729, 176920, 203458, 353840, 406916, 508645, 813832, 1017290, 1627664, 2034580, 4069160, 8138320]

約数ペア:

[(1, 8138320), (2, 4069160), (4, 2034580), (5, 1627664), (8, 1017290), (10, 813832), (16, 508645), (20, 406916), (23, 353840), (40, 203458), (46, 176920), (80, 101729), (92, 88460), (115, 70768), (184, 44230), (230, 35384), (368, 22115), (460, 17692), (920, 8846), (1840, 4423)]