27443240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 68160960

約数和(自身を除く): 40717720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 643, 776, 970, 1067, 1286, 1940, 2134, 2572, 3215, 3880, 4268, 5144, 5335, 6430, 7073, 8536, 10670, 12860, 14146, 21340, 25720, 28292, 35365, 42680, 56584, 62371, 70730, 124742, 141460, 249484, 282920, 311855, 498968, 623710, 686081, 1247420, 1372162, 2494840, 2744324, 3430405, 5488648, 6860810, 13721620, 27443240]

約数ペア:

[(1, 27443240), (2, 13721620), (4, 6860810), (5, 5488648), (8, 3430405), (10, 2744324), (11, 2494840), (20, 1372162), (22, 1247420), (40, 686081), (44, 623710), (55, 498968), (88, 311855), (97, 282920), (110, 249484), (194, 141460), (220, 124742), (388, 70730), (440, 62371), (485, 56584), (643, 42680), (776, 35365), (970, 28292), (1067, 25720), (1286, 21340), (1940, 14146), (2134, 12860), (2572, 10670), (3215, 8536), (3880, 7073), (4268, 6430), (5144, 5335)]