11280280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 28615680

約数和(自身を除く): 17335400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 827, 1240, 1364, 1654, 1705, 2728, 3308, 3410, 4135, 6616, 6820, 8270, 9097, 13640, 16540, 18194, 25637, 33080, 36388, 45485, 51274, 72776, 90970, 102548, 128185, 181940, 205096, 256370, 282007, 363880, 512740, 564014, 1025480, 1128028, 1410035, 2256056, 2820070, 5640140, 11280280]

約数ペア:

[(1, 11280280), (2, 5640140), (4, 2820070), (5, 2256056), (8, 1410035), (10, 1128028), (11, 1025480), (20, 564014), (22, 512740), (31, 363880), (40, 282007), (44, 256370), (55, 205096), (62, 181940), (88, 128185), (110, 102548), (124, 90970), (155, 72776), (220, 51274), (248, 45485), (310, 36388), (341, 33080), (440, 25637), (620, 18194), (682, 16540), (827, 13640), (1240, 9097), (1364, 8270), (1654, 6820), (1705, 6616), (2728, 4135), (3308, 3410)]