881059280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{207797}}^1$

素因数の和:207863

約数の個数: 40

約数和(自身を含む): 2087123112

約数和(自身を除く): 1206063832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 207797, 415594, 831188, 1038985, 1662376, 2077970, 3324752, 4155940, 8311880, 11013241, 16623760, 22026482, 44052964, 55066205, 88105928, 110132410, 176211856, 220264820, 440529640, 881059280]

約数ペア:

[(1, 881059280), (2, 440529640), (4, 220264820), (5, 176211856), (8, 110132410), (10, 88105928), (16, 55066205), (20, 44052964), (40, 22026482), (53, 16623760), (80, 11013241), (106, 8311880), (212, 4155940), (265, 3324752), (424, 2077970), (530, 1662376), (848, 1038985), (1060, 831188), (2120, 415594), (4240, 207797)]