8686640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4757

約数の個数: 40

約数和(自身を含む): 21079008

約数和(自身を除く): 12392368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 4721, 9442, 18884, 23605, 37768, 47210, 75536, 94420, 108583, 188840, 217166, 377680, 434332, 542915, 868664, 1085830, 1737328, 2171660, 4343320, 8686640]

約数ペア:

[(1, 8686640), (2, 4343320), (4, 2171660), (5, 1737328), (8, 1085830), (10, 868664), (16, 542915), (20, 434332), (23, 377680), (40, 217166), (46, 188840), (80, 108583), (92, 94420), (115, 75536), (184, 47210), (230, 37768), (368, 23605), (460, 18884), (920, 9442), (1840, 4721)]