27783320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38744680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 263, 278, 380, 526, 556, 695, 760, 1052, 1112, 1315, 1390, 2104, 2630, 2641, 2780, 4997, 5260, 5282, 5560, 9994, 10520, 10564, 13205, 19988, 21128, 24985, 26410, 36557, 39976, 49970, 52820, 73114, 99940, 105640, 146228, 182785, 199880, 292456, 365570, 694583, 731140, 1389166, 1462280, 2778332, 3472915, 5556664, 6945830, 13891660, 27783320]

約数ペア:

[(1, 27783320), (2, 13891660), (4, 6945830), (5, 5556664), (8, 3472915), (10, 2778332), (19, 1462280), (20, 1389166), (38, 731140), (40, 694583), (76, 365570), (95, 292456), (139, 199880), (152, 182785), (190, 146228), (263, 105640), (278, 99940), (380, 73114), (526, 52820), (556, 49970), (695, 39976), (760, 36557), (1052, 26410), (1112, 24985), (1315, 21128), (1390, 19988), (2104, 13205), (2630, 10564), (2641, 10520), (2780, 9994), (4997, 5560), (5260, 5282)]