16506640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8971}}^1$

素因数の和:9007

約数の個数: 40

約数和(自身を含む): 40051008

約数和(自身を除く): 23544368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 8971, 17942, 35884, 44855, 71768, 89710, 143536, 179420, 206333, 358840, 412666, 717680, 825332, 1031665, 1650664, 2063330, 3301328, 4126660, 8253320, 16506640]

約数ペア:

[(1, 16506640), (2, 8253320), (4, 4126660), (5, 3301328), (8, 2063330), (10, 1650664), (16, 1031665), (20, 825332), (23, 717680), (40, 412666), (46, 358840), (80, 206333), (92, 179420), (115, 143536), (184, 89710), (230, 71768), (368, 44855), (460, 35884), (920, 17942), (1840, 8971)]