2488720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 6233976

約数和(自身を除く): 3745256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2393, 4786, 9572, 11965, 19144, 23930, 31109, 38288, 47860, 62218, 95720, 124436, 155545, 191440, 248872, 311090, 497744, 622180, 1244360, 2488720]

約数ペア:

[(1, 2488720), (2, 1244360), (4, 622180), (5, 497744), (8, 311090), (10, 248872), (13, 191440), (16, 155545), (20, 124436), (26, 95720), (40, 62218), (52, 47860), (65, 38288), (80, 31109), (104, 23930), (130, 19144), (208, 11965), (260, 9572), (520, 4786), (1040, 2393)]