2007440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 4874688

約数和(自身を除く): 2867248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1091, 1840, 2182, 4364, 5455, 8728, 10910, 17456, 21820, 25093, 43640, 50186, 87280, 100372, 125465, 200744, 250930, 401488, 501860, 1003720, 2007440]

約数ペア:

[(1, 2007440), (2, 1003720), (4, 501860), (5, 401488), (8, 250930), (10, 200744), (16, 125465), (20, 100372), (23, 87280), (40, 50186), (46, 43640), (80, 25093), (92, 21820), (115, 17456), (184, 10910), (230, 8728), (368, 5455), (460, 4364), (920, 2182), (1091, 1840)]