8080820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 19329408

約数和(自身を除く): 11248588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1597, 2530, 3194, 5060, 6388, 7985, 15970, 17567, 31940, 35134, 36731, 70268, 73462, 87835, 146924, 175670, 183655, 351340, 367310, 404041, 734620, 808082, 1616164, 2020205, 4040410, 8080820]

約数ペア:

[(1, 8080820), (2, 4040410), (4, 2020205), (5, 1616164), (10, 808082), (11, 734620), (20, 404041), (22, 367310), (23, 351340), (44, 183655), (46, 175670), (55, 146924), (92, 87835), (110, 73462), (115, 70268), (220, 36731), (230, 35134), (253, 31940), (460, 17567), (506, 15970), (1012, 7985), (1265, 6388), (1597, 5060), (2530, 3194)]