25560700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 63745920

約数和(自身を除く): 38185220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1223, 1900, 2090, 2446, 4180, 4892, 5225, 6115, 10450, 12230, 13453, 20900, 23237, 24460, 26906, 30575, 46474, 53812, 61150, 67265, 92948, 116185, 122300, 134530, 232370, 255607, 269060, 336325, 464740, 511214, 580925, 672650, 1022428, 1161850, 1278035, 1345300, 2323700, 2556070, 5112140, 6390175, 12780350, 25560700]

約数ペア:

[(1, 25560700), (2, 12780350), (4, 6390175), (5, 5112140), (10, 2556070), (11, 2323700), (19, 1345300), (20, 1278035), (22, 1161850), (25, 1022428), (38, 672650), (44, 580925), (50, 511214), (55, 464740), (76, 336325), (95, 269060), (100, 255607), (110, 232370), (190, 134530), (209, 122300), (220, 116185), (275, 92948), (380, 67265), (418, 61150), (475, 53812), (550, 46474), (836, 30575), (950, 26906), (1045, 24460), (1100, 23237), (1223, 20900), (1900, 13453), (2090, 12230), (2446, 10450), (4180, 6115), (4892, 5225)]