27205960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 64093680

約数和(自身を除く): 36887720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 313, 328, 410, 424, 530, 626, 820, 1060, 1252, 1565, 1640, 2120, 2173, 2504, 3130, 4346, 6260, 8692, 10865, 12520, 12833, 16589, 17384, 21730, 25666, 33178, 43460, 51332, 64165, 66356, 82945, 86920, 102664, 128330, 132712, 165890, 256660, 331780, 513320, 663560, 680149, 1360298, 2720596, 3400745, 5441192, 6801490, 13602980, 27205960]

約数ペア:

[(1, 27205960), (2, 13602980), (4, 6801490), (5, 5441192), (8, 3400745), (10, 2720596), (20, 1360298), (40, 680149), (41, 663560), (53, 513320), (82, 331780), (106, 256660), (164, 165890), (205, 132712), (212, 128330), (265, 102664), (313, 86920), (328, 82945), (410, 66356), (424, 64165), (530, 51332), (626, 43460), (820, 33178), (1060, 25666), (1252, 21730), (1565, 17384), (1640, 16589), (2120, 12833), (2173, 12520), (2504, 10865), (3130, 8692), (4346, 6260)]