2691320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 6160320

約数和(自身を除く): 3469000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1103, 1220, 2206, 2440, 4412, 5515, 8824, 11030, 22060, 44120, 67283, 134566, 269132, 336415, 538264, 672830, 1345660, 2691320]

約数ペア:

[(1, 2691320), (2, 1345660), (4, 672830), (5, 538264), (8, 336415), (10, 269132), (20, 134566), (40, 67283), (61, 44120), (122, 22060), (244, 11030), (305, 8824), (488, 5515), (610, 4412), (1103, 2440), (1220, 2206)]