1134640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 2843568

約数和(自身を除く): 1708928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1091, 2182, 4364, 5455, 8728, 10910, 14183, 17456, 21820, 28366, 43640, 56732, 70915, 87280, 113464, 141830, 226928, 283660, 567320, 1134640]

約数ペア:

[(1, 1134640), (2, 567320), (4, 283660), (5, 226928), (8, 141830), (10, 113464), (13, 87280), (16, 70915), (20, 56732), (26, 43640), (40, 28366), (52, 21820), (65, 17456), (80, 14183), (104, 10910), (130, 8728), (208, 5455), (260, 4364), (520, 2182), (1040, 1091)]